add shallow cloning

Author: tanzimfh

packages/vertexai/package.json

@@ -33,7 +33,7 @@
     "build": "rollup -c && yarn api-report",
     "build:deps": "lerna run --scope @firebase/vertexai --include-dependencies build",
     "dev": "rollup -c -w",
-    "update-responses": "cd test-utils && rm -rf vertexai-sdk-test-data && git clone https://github.com/FirebaseExtended/vertexai-sdk-test-data.git",
+    "update-responses": "cd test-utils && rm -rf vertexai-sdk-test-data && git clone --depth 1 https://github.com/FirebaseExtended/vertexai-sdk-test-data.git",
     "testsetup": "yarn update-responses && yarn ts-node ./test-utils/convert-mocks.ts",
     "test": "run-p --npm-path npm lint test:browser",
     "test:ci": "yarn testsetup && node ../../scripts/run_tests_in_ci.js -s test",