Change test matrix

Author: neumond

.github/workflows/build.yml

@@ -7,12 +7,11 @@ jobs:
     strategy:
       matrix:
         include:
-          - python: "3.11.3"
+          - python: "3.14.4"
           - python: "3.10.11"
-          - python: "3.9.16"
           - python: "3.8.16"
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python }}