Update test-macos.yml

Author: Pusnow

.github/workflows/test-macos.yml

@@ -13,7 +13,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [macos-12, macos-13]
+        os: [macos-13]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -40,4 +40,4 @@ jobs:
     - name: Test (Unreliable)
       working-directory: ${{github.workspace}}/build
       shell: bash
-      run: ./app/kens/test-kens-all-unreliable-run-solution 
+      run: ./app/kens/test-kens-all-unreliable-run-solution