Update ci.yaml

Author: shriram192

.github/workflows/ci.yaml

@@ -13,7 +13,7 @@ jobs:
   test:
     strategy:
       matrix:
-        python-version: ['3,7','3.8']
+        python-version: ['3.8','3.9','3.10']
     runs-on: ubuntu-latest
 
     steps: