Support multiple Python versions in CI workflow

Author: thorwhalen

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ["3.10", "3.12"]
     steps:
       - uses: actions/checkout@v2
 
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ["3.10", "3.12"]
     steps:
       - uses: actions/checkout@v3
         with: