chore(deps): update dependency tslint to v5.15.0

Author: renovate-bot

package-lock.json

@@ -13,7 +13,7 @@
   "devDependencies": {
     "lerna": "3.13.1",
     "prettier": "^1.14.2",
-    "tslint": "^5.11.0",
+    "tslint": "5.15.0",
     "typescript": "^3.0.3"
   }
 }

package.json

@@ -58,7 +58,7 @@
     "jest": "23.4.0",
     "jest-extended": "0.7.2",
     "ts-jest": "24.0.0",
-    "tslint": "5.10.0",
+    "tslint": "5.15.0",
     "tslint-config-gplane": "3.0.0-beta.2",
     "tslint-formatter-beauty": "3.0.0-beta.2",
     "typescript": "2.9.2"

packages/o-express-middleware/package.json

@@ -46,7 +46,7 @@
     "jest": "23.4.0",
     "jest-extended": "0.7.2",
     "ts-jest": "24.0.0",
-    "tslint": "5.10.0",
+    "tslint": "5.15.0",
     "tslint-config-gplane": "3.0.0-beta.2",
     "tslint-formatter-beauty": "3.0.0-beta.2",
     "typescript": "^2.9.2"