fix: docker-examples/v4/docker-plugin-external/plugins/verdaccio-memo…

…ry/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116

docker-examples/v4/docker-plugin-external/plugins/verdaccio-memory/package.json

@@ -21,9 +21,9 @@
     "memory-fs": "^0.4.1"
   },
   "devDependencies": {
-    "@commitlint/cli": "7.0.0",
+    "@commitlint/cli": "9.0.0",
     "@commitlint/config-conventional": "7.0.1",
-    "@commitlint/travis-cli": "7.0.0",
+    "@commitlint/travis-cli": "9.0.0",
     "@verdaccio/types": "3.3.0",
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
@@ -34,7 +34,7 @@
     "babel-preset-env": "1.7.0",
     "babel-preset-flow": "6.23.0",
     "cross-env": "5.2.0",
-    "eslint": "5.1.0",
+    "eslint": "6.0.0",
     "eslint-config-google": "0.9.1",
     "eslint-config-prettier": "2.9.0",
     "eslint-plugin-flowtype": "2.50.0",
@@ -43,7 +43,7 @@
     "flow-bin": "0.76.0",
     "flow-runtime": "0.17.0",
     "husky": "0.14.3",
-    "jest": "23.4.1",
+    "jest": "24.0.0",
     "lint-staged": "7.2.0",
     "prettier": "1.13.7",
     "rmdir-sync": "1.0.1",