fix: tools/chaincode-integration/package.json & tools/chaincode-integration/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-FLATTED-15518041

Author: snyk-bot

tools/chaincode-integration/package-lock.json

@@ -59,7 +59,7 @@
     "assert": "^2.0.0",
     "chai": "^4.2.0",
     "chalk": "^3.0.0",
-    "cucumber-tsflow": "^4.0.0-rc.1",
+    "cucumber-tsflow": "^4.0.3",
     "fast-safe-stringify": "^2.0.7",
     "fs-extra": "^8.1.0",
     "js-yaml": "^3.14.2",