Fix repolinter ruleset JSON syntax

Author: digitalstore2025

config/repolinter-ruleset.json

@@ -62,7 +62,7 @@
             },
             "policyInfo": "GitHub requires a CODEOWNERS file in all projects. This enables GitHub to contact the maintainers in the event it is necessary.",
             "policyUrl": "https://github.com/github/open-source/blob/main/policies/release.md"
-        },
+        }
     },
     "formatOptions": {
         "disclaimer": "🤖*This issue was automatically generated by [repolinter-action](https://github.com/newrelic/repolinter-action), developed by the Open Source and Developer Advocacy team at New Relic.*"