Platform Configs: Update macOS 14 Tier1 images for Intel and ARM

Intel image also has an update to coin bootstrap agent to lower MTU to 1496

Pick-to: 6.11 6.8 6.5 5.15
Task-number: QTQAINFRA-7854
Change-Id: Icac411ad0c4fdf4d64a673156cf33ea3f7f94a51
Reviewed-by: Tero Heikkinen <tero.heikkinen@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

coin/platform_configs/cmake_platforms_static_release.yaml

@@ -67,13 +67,13 @@ Configurations:
 
 -
     Id: 'macos-14-minimal-static-tests-x86_64'
-    Template: 'qtci-macos-14-x86_64-105'
+    Template: 'qtci-macos-14-x86_64-106'
     Compiler: 'Clang'
     Features: ['TestOnly', 'Packaging']
     Platform dependency: 'macos-universal-on-x86_64-minimal-static-test'
 -
     Id: 'macos-14-minimal-static-tests-arm64'
-    Template: 'qtci-macos-14-arm-106'
+    Template: 'qtci-macos-14-arm-108'
     Compiler: 'Clang'
     Features: ['TestOnly', 'Packaging']
     Platform dependency: 'macos-universal-on-x86_64-minimal-static-test'

coin/platform_configs/macos.yaml

@@ -27,7 +27,7 @@ Configurations:
 
     -
         Id: 'macos-14-x86_64-tests'
-        Template: 'qtci-macos-14-x86_64-105'
+        Template: 'qtci-macos-14-x86_64-106'
         Compiler: 'Clang'
         Features: ['Sccache', 'TestOnly', 'Packaging']
         Platform dependency: 'macos-universal-on-arm64'
@@ -49,7 +49,7 @@ Configurations:
 
     -
         Id: 'macos-14-arm64-tests'
-        Template: 'qtci-macos-14-arm-106'
+        Template: 'qtci-macos-14-arm-108'
         Compiler: 'Clang'
         Features: ['Sccache', 'TestOnly', 'Packaging']
         Platform dependency: 'macos-universal-on-arm64'
@@ -110,7 +110,7 @@ Configurations:
     # Test on all supported macOS versions (deployment targets)
     -
         Id: 'macos-14-arm64-developer-build-tests'
-        Template: 'qtci-macos-14-arm-106'
+        Template: 'qtci-macos-14-arm-108'
         Compiler: 'Clang'
         Features: ['TestOnly']
         Platform dependency: 'macos-arm64-developer-build'