Fix deprecated GitHub Actions versions in CI workflows

[Copilot]

The build workflows were failing due to deprecated versions of GitHub Actions. The error message indicated:

This request has been automatically failed because it uses a deprecated version of actions/cache: v2. Please update your workflow to use v3/v4 of actions/cache to avoid interruptions.

This PR updates the deprecated actions to their latest stable versions:

Changes made:

• Updated actions/checkout@v2 → actions/checkout@v4 in both workflows
• Updated actions/cache@v2 → actions/cache@v4 in both workflows

Files updated:

• .github/workflows/phpstan.yml - Updated checkout and cache actions
• .github/workflows/phpunit.yml - Updated checkout and cache actions

The changes are minimal and surgical (2 files changed, 4 insertions, 4 deletions) and maintain full compatibility with the existing workflow configurations. All YAML syntax has been validated.

Fixes #508.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/adlawson/php-vfs/zipball/e955034419d6a8f92c9a8ea2e626eeed96b41095
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/cache/zipball/1ca8f21980e770095a31456042471a57bc4c68fb
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/collections/zipball/2eb07e5953eed811ce1b309a7478a3b236f2273d
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/common/zipball/d9ea4a54ca2586db781f0265d36bea731ac66ec5
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/dbal/zipball/4a4e2eed3134036ee36a147ee0dac037dfa17868
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/deprecations/zipball/459c2f5dd3d6a4633d3b5f46ee2b1c40f57d3f38
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/event-manager/zipball/b680156fa328f1dfd874fd48c7026c41570b9c6e
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/inflector/zipball/5817d0659c5b50c9b950feb9af7b9668e2c436bc
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/instantiator/zipball/c6222283fa3f4ac679f8b9ced9a4e23f163e80d0
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/lexer/zipball/31ad66abc0fc9e1a1f2d9bc6a42668d2fbbcd6dd
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/orm/zipball/6307b4fa7d7e3845a756106977e3b48907622098
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/doctrine/persistence/zipball/0ea965320cec355dba75031c1b23d4c78362e3ff
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/php-fig/cache/zipball/aa5030cfa5405eccfdcb1083ce040c2cb8d253bf
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/php-fig/container/zipball/c71ecc56dfe541dbd90c5360474fbc405f8d5963
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/php-fig/log/zipball/d49695b909c3b7628b6289db5479a1c204601f11
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/console/zipball/9e27aecde8f506ba0fd1d9989620c04a87697101
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/deprecation-contracts/zipball/63afe740e99a13ba87ec199bb07bbdee937a5b62
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-ctype/zipball/a3cc8b044a6ea513310cbd48ef7333b384945638
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-intl-grapheme/zipball/b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/3833d7255cc303546435cb650316bff708a1c75c
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-php80/zipball/0cc9dd0f17f61d8131e7df6b84bd344899fe2608
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/polyfill-php84/zipball/000df7860439609837bbe28670b0be15783b7fbf
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/service-contracts/zipball/f021b05a130d35510bd6b25fe9053c2a8a15d5d4
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)
• https://api.github.com/repos/symfony/string/zipball/f3570b8c61ca887a9e2938e85cb6458515d2b125
  • Triggering command: /usr/bin/php8.3 -n -c /tmp/oBL5EO /usr/bin/composer install --no-interaction --no-progress (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

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