fix: Vec<...> never stopping with empty value

[lukasfri]

No description provided.

[Copilot]

Pull Request Overview

Adds a regression test to ensure deserializing into Vec properly terminates when no matching items are present, preventing non-terminating behavior.

• Introduces a new tests::bugs module
• Adds a not_stopping test validating Vec deserialization stops and yields an empty vector on non-matching content

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
xmlity-quick-xml/tests/features.rs	Exposes the new bugs test module so it’s compiled and run.
xmlity-quick-xml/tests/bugs/not_stopping.rs	Adds the regression test and minimal types needed to reproduce the issue.
xmlity-quick-xml/tests/bugs/mod.rs	Declares the not_stopping test submodule.

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