Update python-ci.yml

Author: ayodejidev

.github/workflows/python-ci.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7.x', '3.8.x', '3.9.x', '3.10.x']
 
     steps:
       - name: Checkout