add deps to action

Author: lukqw

.github/workflows/preview.yml

@@ -19,6 +19,8 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           localstack-api-key: ${{ secrets.LOCALSTACK_API_KEY }}
           preview-cmd: |
+            npm install -g aws-cdk-local aws-cdk
+            pip install awscli-local[ver1]
             make build
             make bootstrap
             make deploy