fix(java): recursive check all nested depManagements with import scope for pom.xml files

[DmitriyLewen]

Description

We need to recursive check all nested depManagements with import scope to find all non-Imported depManagements.

Related issues

• Close Trivy does not identify certain imported pom files #5899

Related PRs

• fix(pom): recursive check all nested depManagements with import scope go-dep-parser#285

Checklist

• I've read the guidelines for contributing to this repository.
• I've followed the conventions in the PR title.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).