ci(Mergify): configuration update

.mergify.yml

@@ -4,31 +4,25 @@ queue_rules:
     merge_conditions:
       - check-success = quality
       - check-success = test
-      - "check-success = test-cross-platform (ubuntu-latest, Linux)"
-      - "check-success = test-cross-platform (ubuntu-22.04, Linux)"
-      - "check-success = test-cross-platform (macos-latest, macOS)"
-      - "check-success = test-cross-platform (windows-latest, Windows)"
+      - check-success = test-cross-platform (ubuntu-latest, Linux)
+      - check-success = test-cross-platform (ubuntu-22.04, Linux)
+      - check-success = test-cross-platform (macos-latest, macOS)
+      - check-success = test-cross-platform (windows-latest, Windows)
       - check-success = coverage
-
 pull_request_rules:
-  # Tier 1: Trusted bot PRs -- auto-approve and queue immediately
   - name: Auto-approve and queue dependabot PRs
     conditions:
       - base = main
       - author = dependabot[bot]
       - -draft
       - label != do-not-merge
-      # release.yml is autogenerated by cargo-dist -- dependabot updates to
-      # pinned actions in it will break the release pipeline. Dependabot has no
-      # way to ignore specific workflow files, so we block it here instead.
       - -files~=\.github/workflows/release\.yml
     actions:
       review:
         type: APPROVE
         message: Automatically approved by Mergify
       queue:
         name: default
-
   - name: Auto-approve and queue dosu PRs
     conditions:
       - base = main
@@ -41,45 +35,38 @@ pull_request_rules:
         message: Automatically approved by Mergify
       queue:
         name: default
-
   - name: Auto-queue release-plz PRs
     conditions:
       - base = main
-      - "head ~= ^release-plz-"
+      - head ~= ^release-plz-
       - -draft
       - label != do-not-merge
     actions:
       queue:
         name: default
-
-  # Tier 2: Maintainer PRs -- queue when maintainer self-labels 'lgtm'
-  # (no approval required; solves the sole-maintainer self-merge problem)
   - name: Queue maintainer PRs with lgtm label
     conditions:
       - base = main
-      - "author=@maintainers"
+      - author=@maintainers
       - -draft
       - label = lgtm
       - label != do-not-merge
     actions:
       queue:
         name: default
-
-  # Tier 3: External contributor PRs -- require maintainer approval
   - name: Queue external PRs when approved by maintainer
     conditions:
       - base = main
-      - "-author=@maintainers"
+      - -author=@maintainers
       - author != dependabot[bot]
       - author != dosubot[bot]
-      - "-head ~= ^release-plz-"
+      - -head ~= ^release-plz-
       - -draft
-      - "approved-reviews-by=@maintainers"
+      - approved-reviews-by=@maintainers
       - label != do-not-merge
     actions:
       queue:
         name: default
-
   - name: Keep PRs up to date with main
     conditions:
       - base = main
@@ -89,33 +76,28 @@ pull_request_rules:
       - label != do-not-merge
     actions:
       update: {}
-
 merge_protections:
   - name: Enforce conventional commit
     description: Make sure that we follow https://www.conventionalcommits.org/en/v1.0.0/
     if:
       - base = main
     success_conditions:
-      - "title ~= ^(fix|feat|docs|style|refactor|perf|test|build|ci|chore|revert)(?:\\\\(.+\\\\))?!?:"
-
+      - "title ~=
+        ^(fix|feat|docs|style|refactor|perf|test|build|ci|chore|revert)(?:\\\\(\
+        .+\\\\))?!?:"
   - name: CI must pass
-    description: >-
-      All CI checks must pass. This protection prevents manual merges
+    description: All CI checks must pass. This protection prevents manual merges
       that bypass the merge queue.
     if:
       - base = main
     success_conditions:
       - check-success = quality
-      - check-success = test
-      - "check-success = test-cross-platform (ubuntu-latest, Linux)"
-      - "check-success = test-cross-platform (ubuntu-22.04, Linux)"
-      - "check-success = test-cross-platform (macos-latest, macOS)"
-      - "check-success = test-cross-platform (windows-latest, Windows)"
-      - check-success = coverage
-
+      - check-success = test-cross-platform (ubuntu-latest, Linux)
+      - check-success = test-cross-platform (macos-latest, macOS)
+      - check-success = test-cross-platform (windows-latest, Windows)
   - name: Do not merge outdated PRs
     description: Make sure PRs are within 10 commits of the base branch before merging
     if:
       - base = main
     success_conditions:
-      - "#commits-behind <= 10"
+      - "#commits-behind <= 3"