accept .packit.yml as well
DG_PR_COMMENT_KEY_SG_PR = "Source-git pull request ID"
DG_PR_COMMENT_KEY_SG_COMMIT = "Source-git commit"
-CONFIG_FILE_NAMES = [".packit.yaml", ".packit.json"]
+CONFIG_FILE_NAMES = [".packit.yaml", ".packit.yml", ".packit.json"]
