Merge pull request #147 from pelias/greenkeeper/tap-spec-5.0.0

Update tap-spec to the latest version 🚀

Author: orangejulius

package.json

@@ -47,7 +47,7 @@
     "proj4": "^2.3.12",
     "semantic-release": "^15.0.0",
     "tap-dot": "^1.0.0",
-    "tap-spec": "^4.1.0",
+    "tap-spec": "^5.0.0",
     "tape": "^4.5.0",
     "through2": "^2.0.0"
   },