Fix skills CI setup-python cache configuration

Author: rodion-m

.github/workflows/ci.yml

@@ -19,7 +19,6 @@ jobs:
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: '3.11'
-          cache: 'pip'
 
       - name: Install test dependencies
         run: |