Update Citation File Format entry (#4764)

* Update catalog entry for Citation File Format

- Use schema version URL for URL as per contribution guide

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: sdruskat

src/api/json/catalog.json

@@ -1726,7 +1726,7 @@
       "name": "Citation File Format",
       "description": "A YAML file with citation metadata for software or datasets",
       "fileMatch": ["CITATION.cff"],
-      "url": "https://raw.githubusercontent.com/citation-file-format/citation-file-format/main/schema.json",
+      "url": "https://raw.githubusercontent.com/citation-file-format/citation-file-format/1.2.0/schema.json",
       "versions": {
         "1.2.0": "https://raw.githubusercontent.com/citation-file-format/citation-file-format/1.2.0/schema.json"
       }