chore(package): lock Node types to 8.x

Author: hassankhan

package.json

@@ -53,7 +53,7 @@
     "@types/cosmiconfig": "^5",
     "@types/jest": "^23",
     "@types/lodash.get": "^4",
-    "@types/node": "^10",
+    "@types/node": "8.*",
     "commitizen": "^3",
     "cosmiconfig": "^5",
     "husky": "^1",

yarn.lock

@@ -417,10 +417,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.10.5.tgz#fbaca34086bdc118011e1f05c47688d432f2d571"
   integrity sha512-DuIRlQbX4K+d5I+GMnv+UfnGh+ist0RdlvOp+JZ7ePJ6KQONCFQv/gKYSU1ZzbVdFSUCKZOltjmpFAGGv5MdYA==
 
-"@types/node@^10":
-  version "10.12.30"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.30.tgz#4c2b4f0015f214f8158a347350481322b3b29b2f"
-  integrity sha512-nsqTN6zUcm9xtdJiM9OvOJ5EF0kOI8f1Zuug27O/rgtxCRJHGqncSWfCMZUP852dCKPsDsYXGvBhxfRjDBkF5Q==
+"@types/node@8.*":
+  version "8.10.50"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.50.tgz#f3d68482b1f54b5f4fba8daaac385db12bb6a706"
+  integrity sha512-+ZbcUwJdaBgOZpwXeT0v+gHC/jQbEfzoc9s4d0rN0JIKeQbuTrT+A2n1aQY6LpZjrLXJT7avVUqiCecCJeeZxA==
 
 "@types/shelljs@^0.8.0":
   version "0.8.3"