Update to migrate away from deprecated trust store env vars

Description

The following is observed when deploying keycloak 25.0.1

2024-07-09 19:35:34,658 WARN  [org.key.qua.run.cli.Picocli] (main) The following used options or option values are DEPRECATED and will be removed or their behaviour changed in a future release:
	- https-trust-store-password: Use the System Truststore instead, see the docs for details.
	- https-trust-store-file: Use the System Truststore instead, see the docs for details.

Investigate the path to migrate away from these options and confirm the warning is no longer present in the logs after implementing a fix.