update CI to use localstack CI auth token (#96)

Author: alexrashed

.github/workflows/integration.yml

@@ -61,12 +61,13 @@ jobs:
           cd "$HOME"/bats-core
           sudo ./install.sh /usr/local
 
-      - name: Start and wait for LocalStack (Community)
+      - name: Start and wait for LocalStack
         timeout-minutes: 10
+        env:
+          LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
         run: |
-          docker pull localstack/localstack:latest
           localstack start -d
-          localstack wait -t 30
+          localstack wait
 
       - name: Run bats tests
         run: |