Bump python for pypi release wf

* old python didn't automatically normalize filename of uploaded
  artifact, the `-` is not allowed in name of artifact for `/legacy`
  pypi upload endpoint. Newer python does that automatically, let's
  update it in affected workflow.

Author: rbikar

.github/workflows/release.yml

@@ -9,11 +9,11 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v6
       with:
-        python-version: '3.8'
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip