Add python3.14 to GA

Author: rohanbabbar04

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.11', '3.12', '3.13']
+        python-version: ['3.11', '3.12', '3.13', '3.14']
         mpi: ['mpich', 'openmpi', 'intelmpi']
         rank: ['2', '4', '9']
         exclude: