Update Python version format in CI workflow

Author: karimzakzouk

.github/workflows/ci.yml

@@ -18,11 +18,11 @@ jobs:
     name: Unit Testing
     strategy:
       matrix:
-        python-version: [3.10, 3.11, 3.12]
+        python-version: ["3.10", "3.11", "3.12"]
         os: [ubuntu-latest, windows-latest, macos-latest]
         exclude:
           - os: windows-latest
-            python-version: 3.10
+            python-version: "3.10"
     runs-on: ${{ matrix.os }}
 
     steps: