TEMP: Use public Win Arm64 runners

Author: dpaoliello

src/ci/github-actions/jobs.yml

@@ -48,7 +48,7 @@ runners:
     <<: *base-job
 
   - &job-windows-aarch64
-    os: windows-11-arm64-8core-32gb
+    os: windows-11-arm
     <<: *base-job
 
   - &job-aarch64-linux