feat(manager): add Apache Ant manager with basic inline version extraction

[RahulGautamSingh]

Changes

• Add new ⁠ ant ⁠ package manager that extracts Maven dependencies from Ant ⁠ build.xml ⁠ files
• Support inline ⁠ version= ⁠ attributes on ⁠  ⁠ elements inside ⁠ artifact:dependencies ⁠ blocks
• Support ⁠ scope ⁠ attribute mapping to ⁠ depType ⁠ (defaults to ⁠ compile ⁠)
• Add XML version updater with single/double quote support
• Register manager in ⁠ api.ts ⁠ with ⁠ build.xml ⁠ file matching

Context

Please select one of the following:

• This closes an existing Issue, Closes: manager(ant): Basic inline version extraction #42178
• This doesn't close an Issue, but I accept the risk that this PR may be closed if maintainers disagree with its opening or
  implementation

AI assistance disclosure

Did you use AI tools to create any part of this pull request?

Please select one option and, if yes, briefly describe how AI was used (e.g., code, tests, docs) and which tool(s) you used.

• No — I did not use AI for this contribution.
• Yes — minimal assistance (e.g., IDE autocomplete, small code completions, grammar fixes).
• Yes — substantive assistance (AI-generated non‑trivial portions of code, tests, and documentation).
• Yes — other (please describe):

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please select one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests, but ran on a real repository, or
• Both unit tests + ran on a real repository

Public repository: https://github.com/RahulGautamSingh/ant-basic

[jamietanna]

LGTM

[github-actions]

🎉 This PR is included in version 43.105.0 🎉

The release is available on:

• GitHub release
• 43.105.0

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