Switch CI from macOS 11 (Big Sur) to 14 (Sonoma)

This commit switches the macOS CI job from macOS 11 Big Sur - which is
no longer available in GitHub Actions - to the latest macOS release
provided by GHActions, that being macOS 14 Sonoma.

Author: suve

.github/workflows/ci.yml

@@ -7,8 +7,8 @@ on:
     branches: [ master ]
 
 jobs:
-  macos-11-big-sur:
-    runs-on: macos-11
+  macos-14-sonoma:
+    runs-on: macos-14
     steps:
       - name: Install FPC
         run: |
@@ -56,7 +56,7 @@ jobs:
         uses: suve/[email protected]
         with:
           source: tests/testinit.pas
-          flags: Fl/usr/local/lib
+          flags: Fl/opt/homebrew/lib
           verbosity: ewnh
       - name: Test 1 - Run Init Test
         run: |
@@ -65,7 +65,7 @@ jobs:
         uses: suve/[email protected]
         with:
           source: tests/testversion.pas
-          flags: Fl/usr/local/lib
+          flags: Fl/opt/homebrew/lib
           verbosity: ewnh
       - name: Test 2 - Run Version Test
         run: |