Update example-sanity-check.yml

Author: agibsonccc

.github/workflows/example-sanity-check.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: 1.8
-      - name: Build on  linux-arm64
+      - name: Build on  linux-x86_64
         shell: bash
         env:
           DEBIAN_FRONTEND: noninteractive