Don't Update Minor Versions During RC Phase

Author: jzheaux

.github/dependabot.yml

@@ -85,6 +85,7 @@ updates:
       - dependency-name: '*'
         update-types:
           - version-update:semver-major
+          - version-update:semver-minor
 
   - package-ecosystem: github-actions
     target-branch: 6.3.x