[task]: As Code Owner I would like java code to not rely on deprecated java methods

[igorbeslic]

Improvement target

Java code statements for which CI build tools report deprecation warnings.

Improvement description

Review warnings and switch to the long term reliable method calls. It will enable smooth switches to next stable java releases, reduce stress and improve future estimations.

Observed Version

2.3.1

Check:

• /home/runner/work/bytechef/bytechef/server/libs/modules/components/slack/src/main/java/com/bytechef/component/slack/util/SlackUtils.java
• /home/runner/work/bytechef/bytechef/server/libs/config/async-config/src/main/java/com/bytechef/async/config/AsyncConfiguration.java uses or overrides a deprecated API.
• /home/runner/work/bytechef/bytechef/server/ee/libs/core/discovery/discovery-redis/src/main/java/com/bytechef/ee/discovery/redis/registry/RedisAutoServiceRegistration.java

[igorbeslic]

We use this issue report to commit all deprecation based improvements