remove 'wagoid/commitlint-github-action'

We run commitlint via trunk, no need to run it twice in CI.

.github/dependabot.yml

@@ -13,11 +13,6 @@ updates:
         applies-to: security-updates
         patterns:
           - "*"
-    ignore:
-      # Remove this when Trunk uses v19 for Commitlint
-      - dependency-name: wagoid/commitlint-github-action
-        update-types:
-          - version-update:semver-major
   - package-ecosystem: gomod
     directory: /
     schedule:

.github/workflows/lint.yml

@@ -9,13 +9,6 @@ on:
       - main
 
 jobs:
-  commitlint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - uses: wagoid/commitlint-github-action@v5
   trunk:
     runs-on: ubuntu-latest
     permissions:
@@ -28,6 +21,7 @@ jobs:
         with:
           go-version-file: go.mod
       - uses: trunk-io/trunk-action@v1
+      - run: trunk run commitlint
   codeql_analysis:
     runs-on: ubuntu-latest
     permissions:

commitlint.config.mjs

@@ -0,0 +1,4 @@
+export default {
+  extends: ["@commitlint/config-conventional"],
+  ignores: [(msg) => /Signed-off-by: dependabot\[bot]/m.test(msg)],
+};