Change quay.io to docker.io as bitnami move their registry (#695)

lib/aws/chart_values/mongodb/q-values.j2.yaml

@@ -13,7 +13,7 @@
 image:
   ## Bitnami MongoDB registry
   ##
-  registry: quay.io
+  registry: docker.io
   ## Bitnami MongoDB image name
   ##
   repository: bitnami/mongodb

lib/aws/chart_values/mysql/q-values.j2.yaml

@@ -13,7 +13,7 @@
 ##
 image:
   debug: false
-  registry: quay.io
+  registry: docker.io
   repository: bitnami/mysql
   tag: "{{ version }}"
 

lib/aws/chart_values/postgresql/q-values.j2.yaml

@@ -13,7 +13,7 @@ global:
 ## ref: https://hub.docker.com/r/bitnami/postgresql/tags/
 ##
 image:
-  registry: quay.io
+  registry: docker.io
   repository: bitnami/postgresql
   tag: "{{ version }}"
   ## Specify a imagePullPolicy

lib/aws/chart_values/redis/q-values.j2.yaml

@@ -13,7 +13,7 @@ global:
 ## ref: https://hub.docker.com/r/bitnami/redis/tags/
 ##
 image:
-  registry: quay.io
+  registry: docker.io
   repository: bitnami/redis
   ## Bitnami Redis image tag
   ## ref: https://github.com/bitnami/bitnami-docker-redis#supported-tags-and-respective-dockerfile-links