fixup! WIP: build zauth binary for arm64

Author: lwille

.github/workflows/build-zauth.yaml

@@ -31,7 +31,7 @@ jobs:
           CARGO_BUILD_TARGET: aarch64
 
       - name: Upload zAuth binary as artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: zauth-linux-arm64
           path: dist/zauth