fix name

Author: dongjoon-hyun

.github/workflows/build_and_test.yml

@@ -55,7 +55,7 @@ jobs:
     - name: Build
       run: swift build -v
 
-  build-ubuntu-24.04-arm:
+  build-ubuntu-arm:
     runs-on: ubuntu-24.04-arm
     steps:
     - uses: actions/checkout@v4