feat(load): update cosmiconfig #599

Author: escapedcat

@commitlint/load/package.json

@@ -73,7 +73,7 @@
     "@commitlint/execute-rule": "^7.5.0",
     "@commitlint/resolve-extends": "^7.5.0",
     "babel-runtime": "^6.23.0",
-    "cosmiconfig": "^4.0.0",
+    "cosmiconfig": "^5.2.0",
     "lodash": "4.17.11",
     "resolve-from": "^4.0.0"
   }

@commitlint/load/src/index.js

@@ -87,8 +87,7 @@ export default async (seed = {}, options = {cwd: process.cwd()}) => {
 
 async function loadConfig(cwd, configPath) {
 	const explorer = cosmiconfig('commitlint', {
-		rcExtensions: true,
-		configPath: configPath ? path.resolve(cwd, configPath) : null
+		searchPlaces: configPath ? [path.resolve(cwd, configPath)] : []
 	});
 
 	const local = await explorer.load(cwd);