update github actions

Author: roland-lenain

.github/workflows/python-package.yml

@@ -12,12 +12,18 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-22.04
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
+        os: [ubuntu-22.04, ubuntu-latest]
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         mpi: ['mpich', 'openmpi', 'intelmpi']
+        exclude:
+            - os: ubuntu-latest
+              python-version: "3.7"
+            - os: ubuntu-22.04
+              mpi: "mpich"
 
     steps:
       - uses: actions/checkout@v4