Add prebuild for windows arm64

Author: thegecko

.github/workflows/build.yml

@@ -25,6 +25,9 @@ jobs:
             os: windows-2019
             node: x64
             command: prebuildify
+          - name: win32-arm64
+            os: windows-2022
+            command: prebuild --arch arm64 --target 20.11.1
           - name: linux-x64
             os: ubuntu-latest
             command: prebuildify-cross