Update dependency ruby to v4.0.3

Signed-off-by: Mend Renovate <bot@renovateapp.com>

Author: renovate-bot

.github/workflows/operator.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '4.0.2'
+          ruby-version: '4.0.3'
 
       - name: Install pre-commit
         run: |