chore(deps): update actions/setup-python action to v6 (#430)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
         uses: tj-actions/[email protected]
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13.x'
 

.github/workflows/test.yml

@@ -43,7 +43,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/update-doc-assets.yml

@@ -46,7 +46,7 @@ jobs:
           cp -f CHANGELOG.md docs/CHANGELOG.md
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.13.x'