Preliminary support for `@CitrusTestFactory` annotation

[picimako]

Tasks

• [x] Add an action into the Alt+Insert Generate menu to be able to generate @CitrusTestFactory annotated Citrus JUnit5 test methods.
• Create inspections for the annotation, if any necessary.
  • Based on https://junit.org/junit5/docs/5.5.1/api/org/junit/jupiter/api/TestFactory.html
  • [x] @CitrusTestFactory methods must not be private or static
  • [x] @CitrusTestFactory methods must have the proper return types
  • [x] @CitrusTestFactory annotated method doesn't need the JUnit @TestFactory annotation.
• [x] Extend existing inspections to handle and take into account this annotation.

Resources

• https://junit.org/junit5/docs/current/user-guide/#writing-tests-dynamic-tests
• https://junit.org/junit5/docs/5.5.1/api/org/junit/jupiter/api/TestFactory.html
• https://www.baeldung.com/junit5-dynamic-tests

[picimako]

Completed in v1.0.4.