chore(deps): pin dependencies

Author: renovate-bot

package.json

@@ -26,12 +26,12 @@
     "@ht2-labs/semantic-release": "1.0.9",
     "@ht2-labs/typescript-project": "1.0.0",
     "@types/mocha": "2.2.44",
-    "@types/power-assert": "^1.4.29",
-    "assert-rejects": "^0.1.1",
+    "@types/power-assert": "1.4.29",
+    "assert-rejects": "0.1.1",
     "jscpd": "0.6.17",
     "mocha": "4.0.1",
     "nyc": "11.3.0",
-    "power-assert": "^1.4.4",
+    "power-assert": "1.4.4",
     "rimraf": "2.6.2"
   }
 }