make gh runner image happy

Author: lu1and10

.github/workflows/cmake_ci.yml

@@ -38,6 +38,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Unlink gcc
+        if: runner.os == 'macOS'
+        run: |
+          brew unlink gcc
+
       - name: Setup Cpp
         uses: aminya/setup-cpp@v1
         with:

.github/workflows/python_wheel.yml

@@ -46,7 +46,8 @@ jobs:
 
     - name: Install gcc and fftw
       run: |
-        brew install gcc fftw
+        brew unlink gcc
+        brew install gcc@13 fftw
         cp make.inc.macosx_gcc-12 make.inc
         echo "FC=gfortran-13" >> make.inc
         echo "CC=gcc-13" >> make.inc