Run on the new macos 14 runners with a newer default xcode to try to workaround a linker internal error

.github/workflows/build.yml

@@ -45,7 +45,7 @@ jobs:
       run: |
            python3 ci/build-in-all-configs.py --${{matrix.compiler}}
   build-macos:
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:

.github/workflows/cmake-integration.yml

@@ -66,7 +66,7 @@ jobs:
            ./main
 
   test-macos-fetchcontent:
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:
@@ -85,7 +85,7 @@ jobs:
            make
            ./main
   test-macos-findpackage:
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:
@@ -108,7 +108,7 @@ jobs:
            make
            ./main
   test-macos-add_subdirectory:
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:

.github/workflows/test.yml

@@ -48,7 +48,7 @@ jobs:
       run: |
            python3 ci/test-all-configs.py --${{matrix.compiler}}
   test-macos:
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix: