Updated deps

Author: mcollina

package.json

@@ -24,7 +24,7 @@
   "devDependencies": {
     "express": "^4.16.4",
     "express-http-proxy": "^1.5.0",
-    "fastify": "^2.0.0-rc.4",
+    "fastify": "^2.0.0-rc.6",
     "got": "^9.5.0",
     "http-errors": "^1.7.1",
     "http-proxy": "^1.17.0",
@@ -33,7 +33,7 @@
     "simple-get": "^3.0.3",
     "snazzy": "^8.0.0",
     "standard": "^12.0.1",
-    "tap": "^12.1.1"
+    "tap": "^12.5.2"
   },
   "peerDependencies": {
     "fastify": "2.x"