Replace tini + tail with Vector for log console

[burmanm]

What is missing?
Our current tini + tail -f combination does not allow to reuse the server-system-logger for other things.

Why do we need it?
Modifying to make it use Vector instead would solve the issue and allow more powerful customizations for the logs and also allow us to later grab important events in our use-cases.

Environment

• Cass Operator version:

  Insert image tag or Git SHA here

Anything else we need to know?: