make local builds respect "ignore" files when uploading the built output

[falahat]

Description

We already respect the "ignore" entry in firebase.json for source deploys and we want to do the same for local builds.

One crucial difference. For local builds, we apply this filter AFTER the build, on the built output. We can not prevent files from being included in the build.

Scenarios Tested

• Test a local build with an ignore file
• Manually inspect the uploaded content

[gemini-code-assist]

Code Review

This pull request refactors the ignore pattern logic in src/deploy/apphosting/util.ts by centralizing it into a new resolveIgnorePatterns function, which is now utilized by both createLocalBuildTarArchive and createSourceDeployArchive. Additionally, it introduces unit tests to ensure that ignore patterns from configuration and .gitignore files are correctly respected. Feedback includes a recommendation to avoid using 'as any' in test files to comply with the repository's style guide and a suggestion to remove the export keyword from the new utility function if it is only intended for internal use.

[wiz-9635d3485b]

Wiz Scan Summary

Scanner	Findings
Vulnerabilities	-
Sensitive Data	-
Secrets	-
IaC Misconfigurations	-
SAST Findings	3
Software Management Findings	-
Total	3

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