Set GCC version to 14 python-package.yml

Author: tharen

.github/workflows/python-package.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.10","3.11","3.12","3.13"]
         os: [ubuntu-latest, windows-latest] #, macos-latest]
         toolchain:
-          - {compiler: gcc, version: 15}
+          - {compiler: gcc, version: 14}
           # - {compiler: gcc, version: 12}
 
     steps: