Update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-versions }}
 
@@ -97,7 +97,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: '3.13'
 

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-versions }}