Remove macOS 13 from CI platforms

Author: ReneWerner87

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         go-version: [1.25.x]
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-13]
+        platform: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     steps:
     - name: Check out repository