Resolve review findings

Author: NikolaSimsic

.github/actions/setup-maestro/action.yaml

@@ -1,7 +1,7 @@
-name: 'Setup Maestro'
-description: 'Install and cache Maestro'
+name: "Setup Maestro"
+description: "Install and cache Maestro"
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
     - name: "Cache Maestro"
       uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4

.github/actions/setup-python/action.yaml

@@ -5,6 +5,6 @@ runs:
   steps:
     - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
       with:
-        python-version: '3.x'
+        python-version: '3.12'
     - run: pip install PyYAML httplib2
       shell: bash