ci: Linters: update from EOL Ruby 3.0 to 3.3

Author: blocknotes

.github/workflows/linters.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ['3.0']
+        ruby: ['3.3']
 
     env:
       RUBY_VERSION: ${{ matrix.ruby }}