Update workflows (#17513)

* Update workflows

* Add cron task to still run zizmor every week.

* Also restrict zizmor on PR

* Revert change on zizmor runs

Author: DarkaMaul

.github/workflows/codeql-analysis.yml

@@ -45,8 +45,6 @@ jobs:
     - name: Set up Python
       if: matrix.language == 'python'
       uses: actions/setup-python@v5
-      with:
-        python-version-file: '.python-version'
 
     - name: Install dependencies
       # Needed for pycurl

.github/workflows/zizmor.yml

@@ -25,8 +25,6 @@ jobs:
           persist-credentials: false
       - name: Setup Python
         uses: actions/setup-python@v5
-        with:
-          python-version-file: '.python-version'
       - name: Run zizmor
         run: pipx run zizmor --format sarif . > results.sarif
       - name: Upload SARIF file