* Update Ubuntu build workflow: Conditionally use appropriate runner based on architecture

Author: ysdragon

.github/workflows/ubuntu_build.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.arch == 'amd64' && 'ubuntu-latest' || 'ubuntu-24.04-arm' }}
     strategy:
       matrix:
         include: