Use single quotes

Author: kevincianfarini

.github/renovate.json5

@@ -3,7 +3,7 @@
   extends: [
     'config:recommended',
   ],
-  reviewers: ["kevincianfarini"],
+  reviewers: ['kevincianfarini'],
   ignorePresets: [
     // Ensure we get the latest version and are not pinned to old versions.
     'workarounds:javaLTSVersions',