Merge pull request #63 from DataKitchen/testgen-v4

Upgrade testgen to v4

Author: aarthy-dk

dk-installer.py

@@ -73,7 +73,7 @@
 BASE_API_URL_TPL = "{}/api"
 CREDENTIALS_FILE = "dk-{}-credentials.txt"
 TESTGEN_COMPOSE_NAME = "testgen"
-TESTGEN_LATEST_TAG = "v3"
+TESTGEN_LATEST_TAG = "v4"
 TESTGEN_DEFAULT_IMAGE = f"datakitchen/dataops-testgen:{TESTGEN_LATEST_TAG}"
 TESTGEN_PULL_TIMEOUT = 5
 TESTGEN_PULL_RETRIES = 3