[bitnami/several] Fix default values and regenerate README (#7023)

* apache: remove nil values

* argo-cd: remove nil values

* aspnet-core: remove nil values

* cassandra: remove nil values

* cert-manager: remove nil values

* concourse: remove nil values

* consul: remove nil values

* contour: remove nil values

* dataplatform-bp1: remove nil values

* dataplatform-bp2: remove nil values

* discourse: remove nil values

* dokuwiki: remove nil values

* dokuwiki: remove nil values

* ejbca: remove nil values

* elasticsearch: remove nil values

* cassandra: bump chart version

* drupal: change command parameter from string to array

Co-authored-by: Carlos Rodríguez Hernández <carrodher1179@gmail.com>

* concourse: change args parameter from string to array

Co-authored-by: Carlos Rodríguez Hernández <carrodher1179@gmail.com>

* Change sidecars and initContainers from object to array

* drupal: regenerate README

* Bump dokuwiki and drupal chart's patch version

Co-authored-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>
Co-authored-by: Carlos Rodríguez Hernández <carrodher1179@gmail.com>

bitnami/discourse/Chart.yaml

@@ -35,4 +35,4 @@ sources:
   - https://github.com/bitnami/bitnami-docker-discourse
   - https://github.com/spinnaker
   - https://www.discourse.org/
-version: 4.2.7
+version: 4.2.8