chore(github): stop requiring signed commits on main

[UnstoppableMango]

Squash is the only merge method, so every commit on main is one GitHub creates and signs with its web-flow key. The rule only blocked merging PRs whose own commits were unsigned, which a GitHub App (Claude) and most external contributors cannot sign, and which squashing discards.

Summary by CodeRabbit

• Changes
  • Main branch rulesets no longer require signed commits.

[coderabbitai]

Navigate logical layers of code changes, visualize relationships, and explore their blast radius.

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 67816778-6517-40e2-998b-37f635a2a043

📥 Commits

Reviewing files that changed from the base of the PR and between 123b538 and 5c5afc5.

📒 Files selected for processing (1)

• components/publicRepo.ts

💤 Files with no reviewable changes (1)

• components/publicRepo.ts

Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The main branch ruleset no longer requires commit signatures.

Changes

Main branch rules

Layer / File(s)	Summary
Remove required signatures components/publicRepo.ts	The main ruleset no longer sets requiredSignatures to true.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to 5c5af

The change permits unsigned PR commits while retaining the configured squash-merge workflow. No established issue prevents merging after normal checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: removing the requirement for signed commits on the main branch.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

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[pulumi]

🍹 The Update (preview) for UnstoppableMango/unmango-github/prod (at 5c5afc5) was successful.

Resource Changes

    Name                        Type                                              Operation
~   protofs                     github:index/repositoryRuleset:RepositoryRuleset  update
~   strata                      github:index/repositoryRuleset:RepositoryRuleset  update
~   thecluster                  github:index/repositoryRuleset:RepositoryRuleset  update
~   containers                  github:index/repositoryRuleset:RepositoryRuleset  update
~   actions                     github:index/repositoryRuleset:RepositoryRuleset  update
~   terraform-provider-atproto  github:index/repositoryRuleset:RepositoryRuleset  update
~   kubebuilder-nix             github:index/repositoryRuleset:RepositoryRuleset  update
~   go                          github:index/repositoryRuleset:RepositoryRuleset  update
~   pkgs                        github:index/repositoryRuleset:RepositoryRuleset  update
~   thecluster-operator         github:index/repositoryRuleset:RepositoryRuleset  update
~   pulumipkgs                  github:index/repositoryRuleset:RepositoryRuleset  update
~   palworld-operator           github:index/repositoryRuleset:RepositoryRuleset  update
~   terraform2crd               github:index/repositoryRuleset:RepositoryRuleset  update
~   pulumi-baremetal            github:index/repositoryRuleset:RepositoryRuleset  update
~   cloudflare-operator         github:index/repositoryRuleset:RepositoryRuleset  update
~   nix2git                     github:index/repositoryRuleset:RepositoryRuleset  update
~   terraform-provider-netgear  github:index/repositoryRuleset:RepositoryRuleset  update
~   slip                        github:index/repositoryRuleset:RepositoryRuleset  update
~   kubebuilder                 github:index/repositoryRuleset:RepositoryRuleset  update
~   go-pia                      github:index/repositoryRuleset:RepositoryRuleset  update
~   gnumake-go                  github:index/repositoryRuleset:RepositoryRuleset  update
~   tfpkgs                      github:index/repositoryRuleset:RepositoryRuleset  update
~   apis                        github:index/repositoryRuleset:RepositoryRuleset  update
~   charts                      github:index/repositoryRuleset:RepositoryRuleset  update
~   enclave                     github:index/repositoryRuleset:RepositoryRuleset  update
~   devctl                      github:index/repositoryRuleset:RepositoryRuleset  update
~   aferox                      github:index/repositoryRuleset:RepositoryRuleset  update
~   go-make                     github:index/repositoryRuleset:RepositoryRuleset  update
~   game                        github:index/repositoryRuleset:RepositoryRuleset  update
~   kubepkgs                    github:index/repositoryRuleset:RepositoryRuleset  update
~   nift                        github:index/repositoryRuleset:RepositoryRuleset  update