[DPE-7595] TLSv4 (#1116)

* Initial move

* Templates

* Subject name

* Set internal ca

* Tweaks

* Poor man's readiness checker

* Fix unit tests

* Fix integrations tests

* Wildcard common name

* Disable verification for async replication calls

* Try to prepopulate the CA bundle

* Wildcard with sans

* Try to use start to touch the bundle

* Ensure slots exception

* Don't use tls for ceph test

* Handle upgrade event exception

* Try to push tls certs in fix pod

* Try to not push certs twice in on_pebble_ready

Author: dragomirp

actions.yaml

@@ -46,9 +46,3 @@ restore:
       description: Point-in-time-recovery target in PSQL format.
 resume-upgrade:
   description: Resume a rolling upgrade after asserting successful upgrade of a new revision.
-set-tls-private-key:
-  description: Set the private key, which will be used for certificate signing requests (CSR). Run for each unit separately.
-  params:
-    private-key:
-      type: string
-      description: The content of private key for communications with clients. Content will be auto-generated if this option is not specified.