feat: add commitsar step to drone (#41105)

.drone.star

@@ -552,7 +552,7 @@ def main(ctx):
     return initial + before + coverageTests + afterCoverageTests + nonCoverageTests + stages + after
 
 def initialPipelines(ctx):
-    return dependencies(ctx) + checkStarlark()
+    return dependencies(ctx) + checkStarlark() + checkGitCommit()
 
 def beforePipelines(ctx):
     return codestyle(ctx) + changelog(ctx) + phpstan(ctx) + phan(ctx)
@@ -3040,6 +3040,25 @@ def checkStarlark():
         },
     }]
 
+def checkGitCommit():
+    return [{
+        "kind": "pipeline",
+        "type": "docker",
+        "name": "check-git-commit-messages",
+        "steps": [
+            {
+                "name": "format-check-git-commit",
+                "image": "aevea/commitsar:latest",
+            },
+        ],
+        "depends_on": [],
+        "trigger": {
+            "ref": [
+                "refs/pull/**",
+            ],
+        },
+    }]
+
 def skipIfUnchanged(ctx, type):
     if ("full-ci" in ctx.build.title.lower()):
         return []