CI test for dependencies to have the same version (#1556)

* add failing CI for dependencies with multiple versions

* update dependencies

* increase bundlewatch maxsize for 0x.js

packages/sra-spec/package.json

@@ -41,14 +41,14 @@
     "devDependencies": {
         "@0x/tslint-config": "^2.0.2",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^10.5.3",
+        "@types/node": "*",
         "chai": "^4.0.1",
         "chokidar-cli": "^1.2.0",
         "copyfiles": "^2.0.0",
         "dirty-chai": "^2.0.1",
         "discharge": "^0.7.1",
-        "mocha": "^4.0.1",
-        "npm-run-all": "^4.1.3",
+        "mocha": "^4.1.0",
+        "npm-run-all": "^4.1.2",
         "nyc": "^11.0.1",
         "redoc-cli": "^0.6.1",
         "shx": "^0.2.2",