feat(java): add dependency location support for gradle files

[DmitriyLewen]

Description

Add dependency location support for gradle files.

Example:

➜  trivy -q fs -f json --list-all-pkgs ./gradle.lockfile | jq '.Results[].Packages'
[
  {
    "ID": "com.fasterxml.jackson.core:jackson-databind:2.9.1",
    "Name": "com.fasterxml.jackson.core:jackson-databind",
    "Identifier": {
      "PURL": "pkg:maven/com.fasterxml.jackson.core/[email protected]"
    },
    "Version": "2.9.1",
    "Layer": {},
    "Locations": [
      {
        "StartLine": 4,
        "EndLine": 4
      }
    ]
  }
]

Related issues

• Close Gradle line number support #5948

Related PRs

• feat(gradle): add dependency location support go-dep-parser#291

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).