Docs: Clarify running make install when changing dependencies

[Manik-Khajuria-5]

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Issue #7922

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Summary

Add documentation clarifying that contributors must run make install and commit the updated pnpm-lock.yaml when changing dependencies.

Changes

Added notes in the following documentation pages:

• acceptance-tests.md
• developing-core.md
• testing.md

These notes explain:

• Run make install after changing dependencies
• Commit the updated pnpm-lock.yaml
• Prevent CI and acceptance test failures caused by outdated lockfiles

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• I signed and returned the Plone Contributor Agreement, and received and accepted an invitation to join a team in the Plone GitHub organization.
• I verified there aren't other open pull requests for the same change.
• I followed the guidelines in Contributing to Volto.
• I successfully ran code linting checks on my changes locally.
• I successfully ran unit tests on my changes locally.
• I successfully ran acceptance tests on my changes locally.
• If needed, I added new tests for my changes.
• If needed, I added documentation for my changes, either in the Storybook or narrative documentation.
• I included a change log entry in my commits.

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Closes #7922

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📚 Documentation preview 📚: https://volto--7944.org.readthedocs.build/

[Manik-Khajuria-5]

@stevepiercy I have just changed docs and it is showing failure for control pannel test is it flakey test ?

[Manik-Khajuria-5]

@stevepiercy Can u please review this.

[Manik-Khajuria-5]

@stevepiercy any updates on reviewing this PR

[read-the-docs-community]

Documentation build overview

📚 volto | 🛠️ Build #32867480 | 📁 Comparing 0229e74 against latest (d9ff518)

  🔍 Preview build  

9 files changed · ± 9 modified

± Modified

• configuration/settings-reference.html
• contributing/acceptance-tests.html
• contributing/developing-core.html
• contributing/testing.html
• contributing/version-policy.html
• release-notes/index.html
• tutorials/index.html
• upgrade-guide/index.html
• development/add-ons/best-practices.html

[Manik-Khajuria-5]

@stevepiercy Can u please review this PR

[Manik-Khajuria-5]

@stevepiercy Can u please review this PR

[Manik-Khajuria-5]

@stevepiercy Can u please review this PR

[Manik-Khajuria-5]

@wesleybl Thanks for review

[davisagli]

This looks good to me too. @stevepiercy do you want to do any copy editing before we merge?

[stevepiercy]

Thanks for your contribution and patience. Sorry for the long delay for an editorial review. I have months of PRs and volunteer editorial backlog to work through. I'll get to the rest eventually. The PRs that get a technical review from other folks will get bumped up in my priority queue. "Many hands..."

[Manik-Khajuria-5]

@stevepiercy Thanks for review I will make recomended changes as soon as I get some free time

[davisagli]

I applied @stevepiercy's suggestions. Okay to merge now?

[Manik-Khajuria-5]

@davisagli Thanks for helping me out @stevepiercy Thanks for ur time