Update cmake_ci.yml

Switch to gcc-12 on macos-13 gh runner image, gcc >= 13.3.0 seems to have incompatible headers with macos sdk

Author: lu1and10

.github/workflows/cmake_ci.yml

@@ -16,7 +16,7 @@ jobs:
           - macos-13
         compiler:
           - llvm
-          - gcc
+          - gcc-12
           # you can specify the version after `-` like `llvm-13.0.0`.
         generator:
           - "Ninja"
@@ -32,7 +32,7 @@ jobs:
             finufft_static_linking: "OFF"
         exclude:
           - os: "windows-2022"
-            compiler: "gcc"
+            compiler: "gcc-12"
             generator: "Ninja"
             build_type: "Release"
     steps: