ci: allow ! in conventionalcommits (#533)

Signed-off-by: Michele Dolfi <[email protected]>

.github/mergify.yml

@@ -6,7 +6,7 @@ merge_protections:
     success_conditions:
       - "title ~=
         ^(fix|feat|docs|style|refactor|perf|test|build|ci|chore|revert)(?:\\(.+\
-        \\))?:"
+        \\))?(!)?:"
   - name: Require two reviewer for test updates
     description: When test data is updated, we require two reviewers
     if: