add a macos-15-intel matric option to be able to build darwin-64

Author: vidarc

.github/workflows/nodejs.yml

@@ -40,7 +40,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-latest, macos-15-intel, windows-latest]
         node-version: [20.x, 22.x, 24.x]
     runs-on: ${{matrix.os}}
     steps: