Update dynamic_arch.yml

Author: mayeut

.github/workflows/dynamic_arch.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, ubuntu-24.04-arm]
+        os: [ubuntu-latest, ubuntu-24.04-arm]
         cc: [gcc, clang, clang-21]
         fortran: [gfortran, flang, flang-21]
         build: [cmake, make]