Build & test on macOS 14 M1 runner

Author: sebj

.github/workflows/build-and-test.yml

@@ -22,7 +22,7 @@ on:
 
 jobs:
   Build-and-Test:
-    runs-on: macos-12
+    runs-on: macos-14
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
@@ -31,4 +31,4 @@ jobs:
         run: swift build
 
       - name: Test
-        run: swift test
+        run: swift test