Update GH actions

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-name: Release Python
+name: Release
 
 
 # Most parts are borrowed from https://github.com/pola-rs/polars/blob/main/.github/workflows/release-python.yml
@@ -16,6 +16,8 @@ on:
         description: Dry run
         type: boolean
         default: false
+env:
+  PYTHON_VERSION: '3.11'
 
 defaults:
   run:
@@ -31,6 +33,11 @@ jobs:
         with:
           ref: ${{ inputs.sha }}
 
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
       - name: Create source distribution
         run: python setup.py sdist
 
@@ -54,6 +61,11 @@ jobs:
         with:
           ref: ${{ inputs.sha }}
 
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
       - name: Build wheel
         run: python setup.py bdist_wheel