(chore) enable github merge queue

[sandeepkunusoth]

This PR fixes #353

Summary

Enables github merge queue. to avoid main branch brokwn state in future.

Changes

• Enables github merge queue in unit tests, lint and e2e tests.

Implementation

Limitations

Testing

• update ruleset

    {
      "type": "required_status_checks",
      "parameters": {
        "strict_required_status_checks_policy": true,
        "required_status_checks": [
          {
            "context": "e2e tests"
          },
          {
            "context": "Check formatting"
          },
          {
            "context": "Check go.mod"
          },
          {
            "context": "Run linters"
          },
          {
            "context": "verify generated code"
          }
        ]
      }
    },
    {
      "type": "merge_queue",
      "parameters": {
        "check_response_timeout_minutes": 45,
        "grouping_strategy": "ALLGREEN",
        "max_entries_to_build": 5,
        "max_entries_to_merge": 5,
        "merge_method": "MERGE",
        "min_entries_to_merge": 1,
        "min_entries_to_merge_wait_minutes": 5
      }
    }

Actions needed from maintainer After this PR is merged:

1. Open Settings → Rules → Rulesets.
2. Edit the existing ruleset for main.
3. Enable Require merge queue.

4. Verify the merge queue settings:
   • Merge method: MERGE
   • Minimum entries to merge: 1
   • Wait time: 5 minutes
   • Grouping strategy: ALLGREEN
5. Verify the required status checks include the workflow job names exactly:
   • e2e tests
   • Check formatting
   • Check go.mod
   • Run linters
   • verify generated code

Checklist

Before submitting the PR make sure the following are checked:

• This Pull Request is related to one issue.
• Commit message explains what changed and why
• Tests are added or updated.
• Documentation files are updated.
• I have run pre-commit locally (pre-commit run --all-files or hooks on commit)

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: c7b903e6-f996-4f50-b5d5-a4de5b1bbb07

📥 Commits

Reviewing files that changed from the base of the PR and between befa81c and 18d3e21.

📒 Files selected for processing (3)

• .github/workflows/lint.yml
• .github/workflows/test-e2e.yml
• .github/workflows/test.yml

🚧 Files skipped from review as they are similar to previous changes (3)

• .github/workflows/test.yml
• .github/workflows/lint.yml
• .github/workflows/test-e2e.yml

---

📝 Walkthrough

Walkthrough

The lint, test, and E2E GitHub Actions workflows now run for merge_group events.

Changes

Merge queue CI

Layer / File(s)	Summary
Enable merge queue workflow runs .github/workflows/lint.yml, .github/workflows/test-e2e.yml, .github/workflows/test.yml	The lint, test, and E2E workflows add the merge_group trigger.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the primary change: enabling GitHub merge queue support.
Description check	✅ Passed	The description explains the change, implementation intent, required settings, maintainer actions, testing context, and checklist status.
Linked Issues check	✅ Passed	The workflow updates add merge_group triggers and support the required merge queue checks described in issue #353.
Out of Scope Changes check	✅ Passed	All changes are limited to enabling merge queue events in the lint, test, and E2E workflows.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

---

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[greptile-apps]

Greptile Summary

Adds merge_group triggers to the lint, unit-test, and end-to-end-test workflows so merge-queue commits receive the same checks as pull requests. The three updated workflows were validated successfully: their syntax is accepted and their unguarded jobs run for the default merge-group checks_requested event.

Confidence Score: 5/5

T-Rex Logs

What T-Rex did

• Validated the workflow definitions before and after the change with actionlint.
• Confirmed that merge_group uses the default checks_requested event when no event type is specified and that lint.yml, test.yml, and test-e2e.yml subscribe to merge-group events.
• Verified post-change validator success and expected merge-queue execution for lint.yml, test.yml, and test-e2e.yml.

_{Ran code and verified through T-Rex}

_{Reviews (2): Last reviewed commit: "removed extra line" | Re-trigger Greptile}

[jdheyburn]

I think this is fair given that its the second time we've seen main broken.

The alternative is to require PRs to pull from main before merge, which I don't think creates a great DX given the time it takes to run e2e tests.

Will leave this approved but unmerged to let other folks comment.