chore: Prepare for release 1.9.0 (#6630)

Author: iamareebjamal

CHANGELOG.md

@@ -1,5 +1,12 @@
 ## Changelog
 
+##### v1.9.0 (2019-11-28):
+
+- Fix billing info requirements from attendees
+- Fix stripe connection issue in event wizard
+- Check proper access permissions for event exporting API
+
+
 ##### v1.8.0 (2019-11-24):
 
 - Run `python manage.py fix_digit_identifier` to correct all digit identifiers

app/api/server_version.py

@@ -1,6 +1,6 @@
 from flask import jsonify, Blueprint
 
-SERVER_VERSION = '1.8.0'
+SERVER_VERSION = '1.9.0'
 
 info_route = Blueprint('info', __name__)
 _build = {'version': SERVER_VERSION}