Use macOS 15 with arm64

Author: tujoworker

.github/workflows/icons-lib.yml

@@ -21,7 +21,7 @@ jobs:
   process-icons:
     name: Fetch and Build Icons
 
-    runs-on: macos-15
+    runs-on: macos-15-xlarge
 
     timeout-minutes: 60
 

.github/workflows/visual-regression.yml

@@ -43,7 +43,7 @@ jobs:
   visual-regression:
     name: Run visual-regression tests
 
-    runs-on: macos-15
+    runs-on: macos-15-xlarge
 
     timeout-minutes: 40