Update workflow to fix glibc issues

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

Author: peterzhuamazon

.github/workflows/ci.yml

@@ -20,12 +20,10 @@ jobs:
         java: 
           - 21
           - 23
-    name: Build and Test
-    strategy:
-      matrix:
         os:
           - ubuntu-24.04-arm  # arm64-preview
           - ubuntu-24.04  # x64
+    name: Build and Test
     runs-on: ${{ matrix.os }}
     container:
       # using the same image which is used by opensearch-build team to build the OpenSearch Distribution