Updated the workflows

Author: Taarini Sarath Chander

.github/workflows/run_tests.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.10, 3.11, 3.12]
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         group: [1, 2, 3, 4, 5]
     steps:
     - uses: actions/checkout@v2