fix #2002 update dependency mockk to 1.14.9 and vert.x to 5.0.7

[Fabilin]

Fixes #2002 by bumping the dependency version and fixing compile-time errors.

Note

The new update removes the transitive dependency on junit4.

[Copilot]

Pull request overview

Updates core test dependencies to resolve MockK 1.14.9 incompatibility (issue #2002) and adapts the codebase to the removal of JUnit4 as a transitive dependency.

Changes:

• Bump mockk dependency to 1.14.9.
• Update tests to use JUnit Jupiter imports/annotations instead of legacy JUnit3/4 APIs.
• Bump Vert.x version property from 5.0.4 to 5.0.7.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
pom.xml	Bumps dependency properties for MockK (and Vert.x) to address compatibility/build issues.
bot/storage-mongo/src/test/kotlin/StoryDefinitionConfigurationMongoDAOTest.kt	Replaces legacy JUnit assertion import with JUnit Jupiter assertions.
bot/connector-web/src/test/kotlin/WebMessageProcessorTest.kt	Migrates to JUnit Jupiter @Test and updates expectations to include actionId.