Switch to updated docker repository (#334)

* update quay repo

* Update values.yaml

* pin idna version

ops/charts/oncall/values.yaml

@@ -1,5 +1,5 @@
 image:
-  repository: "quay.io/iris"
+  repository: "quay.io/diegocepedaw"
   tag: "latest"
 pullPolicy: "alwaysPull"
 replicaCount: 1

setup.py

@@ -47,7 +47,8 @@ setuptools.setup(
         'irisclient',
         'slackclient==1.3.1',
         'icalendar',
-        'pymsteams'
+        'pymsteams',
+        'idna==2.10'
     ],
     extras_require={
         'ldap': ['python-ldap'],