Bump actions/setup-python from 5 to 6 (#1098)

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -12,7 +12,7 @@ jobs:
       with:
         persist-credentials: false
     - name: Install python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.8'
     - run: pip install matplotlib