update configuration.py for netbox 2.7.11 REDIS config

update configuration.py to use REDIS config referencing `tasks` in place of `webhooks`

configuration/configuration.py

@@ -51,7 +51,7 @@ SECRET_KEY = os.environ.get('SECRET_KEY', read_secret('secret_key'))
 
 # Redis database settings. The Redis database is used for caching and background processing such as webhooks
 REDIS = {
-    'webhooks': {
+    'tasks': {
         'HOST': os.environ.get('REDIS_HOST', 'localhost'),
         'PORT': int(os.environ.get('REDIS_PORT', 6379)),
         'PASSWORD': os.environ.get('REDIS_PASSWORD', read_secret('redis_password')),