[bitnami/*] Make Helm charts 100% OCI (#15998)

* [bitnami/*] Make Helm charts 100% OCI

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Add main files and scaffolding

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Bump chart version

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Improve helm upgrade instruction

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Revert bitnami/common version bump

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Prettify Chart.yamls

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

* Regenerate Chart.lock and bump chart versions

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

---------

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

bitnami/redis/Chart.yaml

@@ -5,7 +5,7 @@ apiVersion: v2
 appVersion: 7.0.11
 dependencies:
   - name: common
-    repository: https://charts.bitnami.com/bitnami
+    repository: oci://registry-1.docker.io/bitnamicharts
     tags:
       - bitnami-common
     version: 2.x.x
@@ -22,4 +22,4 @@ maintainers:
 name: redis
 sources:
   - https://github.com/bitnami/containers/tree/main/bitnami/redis
-version: 17.9.5
+version: 17.10.0