Fix python versions

Author: HardNorth

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.6'
+          python-version: '3.6.15'
 
       - name: Install dependencies
         run: python -m pip install --upgrade pip setuptools wheel

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ 2.7, 3.6, 3.7, 3.8, 3.9, '3.10' ]
+        python-version: [ '2.7.18', '3.6.15', '3.7.15', '3.8.15', '3.9.15', '3.10.8' ]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3