Change ARM64 runner to ubuntu-24.04-arm

Copilot error.  It used ubuntu-24.04-arm64

Author: jimwhite

.github/workflows/docker-release.yml

@@ -100,7 +100,7 @@ jobs:
   # Build ARM64 image on native arm64 runner
   build-arm64:
     needs: prepare
-    runs-on: ubuntu-24.04-arm64
+    runs-on: ubuntu-24.04-arm
     permissions:
       contents: read
       packages: write