chore(deps): update dependency @1stg/lib-config to ^0.1.15

Author: renovate-bot

package.json

@@ -24,7 +24,7 @@
     "type-coverage": "type-coverage --cache --detail --ignore-catch --ignore-files *.d.ts --strict"
   },
   "devDependencies": {
-    "@1stg/lib-config": "^0.1.14",
+    "@1stg/lib-config": "^0.1.15",
     "@1stg/tslint-config": "^0.5.7",
     "@types/eslint": "^6.1.3",
     "@types/jest": "^24.0.23",