CI: use macos-15-intel

Author: uyjulian

.github/workflows/compilation.yml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         os: [
           [macos-latest, arm64],
-          [macos-13, x86_64],
+          [macos-15-intel, x86_64],
           [ubuntu-latest, x86_64]
         ]
 
@@ -73,7 +73,7 @@ jobs:
     - name: Download Mac x86_64 artifact
       uses: actions/download-artifact@v4
       with:
-        name: ps2client-${{ steps.slug.outputs.sha8 }}-macos-13-x86_64
+        name: ps2client-${{ steps.slug.outputs.sha8 }}-macos-15-intel-x86_64
 
     - name: Download Mac arm64 artifact
       uses: actions/download-artifact@v4