Fix broken dependencies in helm chart and allow using existing secrets in the chart (#18941)

* Add ability to specify an existing Secret (#18139)

Closes #18139

* Allow using secrets with external postgres

* Upgrade CronJob to batch/v1

* Allow using redis.auth.existingSecret

* Helmignore mastodon-*.tgz for easy local development

* Upgrade helm dependencies

* Upgrade postgresql to 11

* Allow putting SMTP password into a secret

* Add optional login to SMTP secret

This to allow setting LOGIN either in values.yaml or
in the secret.

* Switch to bitnami charts full archive

This prevents older versions from disappearing, see
https://github.com/bitnami/charts/issues/10539 for
full context.

Co-authored-by: Ted Tramonte <ted.tramonte@gmail.com>

chart/Chart.lock

@@ -1,12 +1,12 @@
 dependencies:
 - name: elasticsearch
-  repository: https://charts.bitnami.com/bitnami
-  version: 15.10.3
+  repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
+  version: 19.0.1
 - name: postgresql
-  repository: https://charts.bitnami.com/bitnami
-  version: 8.10.14
+  repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
+  version: 11.1.3
 - name: redis
-  repository: https://charts.bitnami.com/bitnami
-  version: 10.9.0
-digest: sha256:f5c57108f7768fd16391c1a050991c7809f84a640cca308d7d24d87379d04000
-generated: "2021-08-05T08:01:01.457727804Z"
+  repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
+  version: 16.13.2
+digest: sha256:17ea58a3264aa22faff18215c4269f47dabae956d0df273c684972f356416193
+generated: "2022-08-08T21:44:18.0195364+02:00"