Fix quotes for Python version in workflow

Author: Magic-Man-us

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.10, 3.11, 3.12, 3.13, 3.14]
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout repository