205 system truststore

General MR

Summary

In Keycloak 25.0, HTTPS Truststores are deprecated and the intended upgrade path is to transition to the System Truststore. This deprecation isnt slated for a specific cutoff at this time, but proactively providing a basic transition should be helpful.

Relevant logs/screenshots

Bigbang test MR with changes big-bang/bigbang!4881 (closed)

Linked Issue

Closes #205 (closed)

Upgrade Notices

Migration may require the deletion of Statefulsets when transitioning from HTTPS Truststore to System Truststore, but this MR is merely a guide for transition and the upgrade is not compulsory.