Restore matrix

Author: ruscoder

.github/workflows/build.yaml

@@ -10,11 +10,11 @@ jobs:
     strategy:
       matrix:
         include:
-          - python-version: 3.8
-          - python-version: 3.9
-          - python-version: 3.10
-          - python-version: 3.11
-          - python-version: 3.12
+          - python-version: "3.8"
+          - python-version: "3.9"
+          - python-version: "3.10"
+          - python-version: "3.11"
+          - python-version: "3.12"
 
     env:
       PYTHON: ${{ matrix.python-version }}