fix(docs): revert lookup for open issues on main

[jamietanna]

Changes

• Revert "fix(docs): wire in GH_TOKEN for gh CLI (fix(docs): wire in GH_TOKEN for gh CLI #39812)"
• Revert "fix(docs): add required permissions for build:docs (fix(docs): add required permissions for build:docs #39809)"
• Revert "fix(docs): look up open issues on main builds for Renovate docs (fix(docs): look up open issues on main builds for Renovate docs #39801)"

As it's broken the main build.

Context

Please select one of the below:

• This closes an existing Issue: #
• This doesn't close an Issue, but I accept the risk that this PR may be closed if maintainers disagree with its opening or implementation

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Did you use AI tools to create any part of this pull request?

Please select one option and, if yes, briefly describe how AI was used (e.g., code, tests, docs) and which tool(s) you used.

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• Yes — substantive assistance (AI generated non‑trivial portions of code, tests, or documentation).
• Yes — other (please describe):

Documentation (please check one with an [x])

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• No documentation update is required

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The public repository:

[jamietanna]

Bypassing merge queue + PR review to unblock main

[github-actions]

🎉 This PR is included in version 42.38.1 🎉

The release is available on:

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• 42.38.1

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