fix(build): update prebuild configuration for Windows ARM64 support

Author: mceachen

.github/workflows/build.yml

@@ -83,9 +83,7 @@ jobs:
           path: prebuilds/
 
   prebuild-win-arm64:
-    runs-on: windows-latest
-    env:
-      TARGET_ARCH: arm64
+    runs-on: windows-arm64 # Native ARM64 runner (public repos only)
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
@@ -156,7 +154,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13-large, macos-14, windows-latest]
+        os: [macos-13-large, macos-14, windows-latest, windows-arm64]
         node-version: [20, 22, 23, 24]
     runs-on: ${{ matrix.os }}
     steps: