Update workflows for new release process

[benceruleanlu]

Add triggering support for release/** branches in github workflows and support tag-based releasing of portable.

[benceruleanlu]

@codex review

[Kosinkadink]

Explanation of PR: adds support for adding a release tag, in case master/latest is not desired. Does not change anything about release project if release_tag input is not set.

[Copilot]

Pull request overview

This PR updates GitHub Actions workflows to support the new release process by adding release/** branch pattern triggers. This enables CI/CD workflows to run automatically when changes are pushed to or pull requests are created against release branches.

• Adds release/** branch trigger to test workflows (unit, launch, execution)
• Adds release/** branch trigger to CI and version update workflows
• Ensures consistent branch patterns across all modified workflows

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
.github/workflows/update-version.yml	Added release/** to pull_request branches filter for automatic version file updates on release branches
.github/workflows/test-unit.yml	Added release/** to both push and pull_request branch filters to run unit tests on release branches
.github/workflows/test-launch.yml	Added release/** to both push and pull_request branch filters to test server launches on release branches
.github/workflows/test-execution.yml	Added release/** to both push and pull_request branch filters to run execution tests on release branches
.github/workflows/test-ci.yml	Added release/** to push branches filter to run full CI workflow on release branch commits

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[Kosinkadink]

This was approved by comfy, just needed to wait for tests to pass