Add a build action to apply common macos patches as we need to patch the macos build time and time again (utopia-rise#849)

Author: chippmann

.github/actions/mac-host-patches/action.yml

@@ -0,0 +1,16 @@
+name: Apply common macos patches
+description: Action to apply macos patches if needed (they are quite frequently needed hence a dedicated action to apply all or none to all our macos build host runs)
+
+runs:
+ using: composite
+ steps:
+ - name: Info
+ shell: sh
+ run: echo "Applying macos patches"
+
+ # Add any necessary patches for macos hosts below:
+
+ # Required for new moltenvk builds. keep until 'macos-latest' points to macos15 instead of 14: https://github.com/actions/runner-images?tab=readme-ov-file#available-images
+ - name: Select Xcode 16
+ shell: sh
+ run: sudo xcode-select -s /Applications/Xcode_16.2.app

.github/workflows/build_macos.yml

@@ -79,6 +79,9 @@ jobs:
  with:
  path: modules/kotlin_jvm
 
+ - name: Apply common macos host patches
+ uses: ./modules/kotlin_jvm/.github/actions/mac-host-patches
+
  - name: Setup Godot build cache
  uses: ./modules/kotlin_jvm/.github/actions/scons-cache
  with: