test: add coverage checks for multiple Python vs

Author: gnikit

.github/workflows/main.yml

@@ -34,13 +34,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
+        python-version: ["3.8","3.10"]
     runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: ${{ matrix.python-version }}
 
       - name: Coverage report
         run: |