chore(ci): add timeout for e2e and unit tests

[Jayllyz]

Summary

I noticed that some e2e workflows were stuck for hours :
https://github.com/web-infra-dev/rsbuild/actions/runs/10630679833?pr=3325

This PR adds a timeout for unit and e2e tests.
Feel free to adjust the timeout if it's too high or too low.

Related Links

gha doc: https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#jobsjob_idtimeout-minutes

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[CLAassistant]

All committers have signed the CLA.

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[chenjiahan]

Thank you! We are still investigating the cause of the CI timeout, which may be related to https://github.com/web-infra-dev/rsbuild/tree/main/e2e/cases/module-federation-v2.