Modernize dependencies and tests

[igor-apalko]

Summary

This PR modernizes the project dependencies and test infrastructure, and removes the Lombok dependency.

Changes

• Bump versions of Maven, Testcontainers, Flyway, jOOQ, JDBC drivers, and other project dependencies.
• Remove Lombok and replace generated code with plain Java.
• Migrate tests from JUnit 4 Rules to JUnit 5 parameterized tests.
• Clean up Maven dependency scopes and plugin configuration.
• Bump project version to 0.0.5-SNAPSHOT.

Verification

• Plugin builds successfully on recent JDKs.
• Verified the updated plugin in a downstream project using Flyway migrations, Testcontainers, and jOOQ code generation during the generate-sources phase.