Add correct regex to catalog

Author: ilovelinux

src/check_jsonschema/catalog.py

@@ -162,7 +162,7 @@ def _githubusercontent_url(owner: str, repo: str, ref: str, path: str) -> str:
                 "--regex-variant",
                 "nonunicode",
             ],
-            "files": r"^.*\.gitlab-ci\.yml$",
+            "files": r"^.*\.gitlab-ci\.(yml|yaml)$",
             "types": "yaml",
         },
     },