Actions: Fix, add missing single quote

Author: simmsa

.github/workflows/test-wheel-build.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', 3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v6