chore: Upgrade dredd and increase hooks timeout

.travis.yml

@@ -20,7 +20,7 @@ before-install:
 
 install:
   - npm install -g aglio
-  - npm install -g dredd@4.0.0
+  - npm install -g dredd
   - pip3 install -r requirements/tests.txt
 
 env:

dredd.yml

@@ -1,7 +1,6 @@
 dry-run: null
 hookfiles: ./tests/hook_main.py
 language: python
-sandbox: false
 server: python manage.py runserver
 server-wait: 2
 init: false
@@ -13,21 +12,15 @@ reporter: apiary
 output: []
 header: []
 sorted: false
-user: null
-inline-errors: false
-details: false
 method: []
-color: true
-level: info
-timestamp: false
-silent: false
+loglevel: warning
 path: []
-hooks-worker-timeout: 11000
-hooks-worker-connect-timeout: 5000
-hooks-worker-connect-retry: 500
+hooks-worker-timeout: 15000
+hooks-worker-connect-timeout: 10000
+hooks-worker-connect-retry: 1000
 hooks-worker-after-connect-wait: 100
-hooks-worker-term-timeout: 5000
-hooks-worker-term-retry: 500
+hooks-worker-term-timeout: 10000
+hooks-worker-term-retry: 1000
 hooks-worker-handler-host: 127.0.0.1
 hooks-worker-handler-port: 61321
 config: ./dredd.yml