chore: Prepare for v1.11.2 (#6785)

Author: iamareebjamal

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## Changelog
 
+#### v1.11.2 (2020-01-25):
+
+- Fix celery task status endpoint
+
 #### v1.11.1 (2020-01-23):
 
 - Fix event fee notification task being triggered every minute

app/api/server_version.py

@@ -1,6 +1,6 @@
 from flask import jsonify, Blueprint
 
-SERVER_VERSION = '1.11.1'
+SERVER_VERSION = '1.11.2'
 
 info_route = Blueprint('info', __name__)
 _build = {'version': SERVER_VERSION}