Fix format id for gitea and gogs to match swh-loader-metadata

https://gitlab.softwareheritage.org/swh/devel/swh-loader-metadata/-/blob/c2cdfd5c86d2783ce28c80f84df4930c2eba3cfc/swh/loader/metadata/gitea.py#L121-138

corresponding spec update: swh-storage!1163

swh/indexer/metadata_dictionary/gitea.py

@@ -46,7 +46,7 @@ class GiteaMapping(BaseExtrinsicMapping, JsonMapping):
 
     @classmethod
     def extrinsic_metadata_formats(cls) -> Tuple[str, ...]:
-        return ("gitea-project-json", "gogs-project-json")
+        return ("gitea-repository-json", "gogs-repository-json")
 
     def extra_translation(self, graph, root, content_dict):
         graph.remove((root, RDF.type, SCHEMA.SoftwareSourceCode))