fix: use arm runner

.github/workflows/release.yml

@@ -46,7 +46,7 @@ jobs:
           path: tinyauth-amd64
 
   binary-build-arm:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-arm
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -221,7 +221,9 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
+          pattern: tinyauth-*
           path: binaries
+          merge-multiple: true
 
       - name: Release
         uses: softprops/action-gh-release@v2