ci: simplify local install command

Author: suztomo

.github/workflows/ci.yaml

@@ -55,17 +55,10 @@ jobs:
         java-version: 8
     - run: java -version
     - name: Install artifacts to local Maven repository
-      run: |
-        source .kokoro/common.sh
-        retry_with_backoff 3 10 \
-            mvn install -B -V \
-                -Dmaven.test.skip -DskipTests=true \
-                -Dclirr.skip=true \
-                -Denforcer.skip=true \
-                -Dmaven.javadoc.skip=true \
-                -Dgcloud.download.skip=true
+      run: .kokoro/build.sh
       shell: bash
-    - uses: GoogleCloudPlatform/cloud-opensource-java/linkage-monitor@v1-linkagemonitor
+    - name: Validate dependencies with regard to com.google.cloud:libraries-bom (latest release)
+      uses: GoogleCloudPlatform/cloud-opensource-java/linkage-monitor@v1-linkagemonitor
   lint:
     runs-on: ubuntu-latest
     steps: