chore(deps): update helm chart common to v6.9.1 (#809)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

charts/incubator/external-service/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: auto
 dependencies:
 - name: common
   repository: https://truecharts.org/
-  version: 6.8.4
+  version: 6.9.1
 deprecated: false
 description: Allow external services to be used like Apps.
 home: https://github.com/truecharts/apps/tree/master/charts/stable/external-service
@@ -23,4 +23,4 @@ name: external-service
 sources:
 - https://github.com/truecharts/apps/tree/master/charts/stable/external-service
 type: application
-version: 0.0.3
+version: 0.1.0

charts/incubator/nextcloud/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: auto
 dependencies:
 - name: common
   repository: https://truecharts.org/
-  version: 6.8.4
+  version: 6.9.1
 - condition: postgresql.enabled
   name: postgresql
   repository: https://truecharts.org/
@@ -33,4 +33,4 @@ sources:
 - https://github.com/nextcloud/docker
 - https://github.com/nextcloud/helm
 type: application
-version: 2.0.23
+version: 2.1.0