ci: Add cloudbuild for bedrock deployer (#3123)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

cloudbuild.yaml

@@ -19,4 +19,14 @@ steps:
       - --dockerfile=./op-proposer/Dockerfile
       - --cache=true
       - --cache-ttl=48h
-    waitFor: ['-']
+    waitFor: ['-']
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+  - name: 'gcr.io/kaniko-project/executor:latest'
+    args:
+      - --destination=us-central1-docker.pkg.dev/$PROJECT_ID/images/deployer-bedrock:$_TAG
+      - --dockerfile=./ops/docker/Dockerfile.packages
+      - --target=deployer-bedrock
+      - --cache=true
+      - --cache-ttl=48h
+    waitFor: ['-']
+options:
+  machineType: N1_HIGHCPU_32
\ No newline at end of file