feat: added possibility to use proxies in LanguageTool requests, updated uv.lock

[mdevolde]

feat: added possibility to use proxies in LanguageTool requests, updated uv.lock

Why the pull request was made

To resolve the issue mentioned in this issue: #70

Summary of changes

• Added an optional parameter to LanguageTool (proxies)
• Added an attribute to LanguageTool
• This attribute is used by the _query_server method
• Updated uv.lock (to keep it up to date with tests deps removal in previous PR)

Screenshots (if appropriate):

Not applicable.

How has this been tested?

Tested with a local proxy (dedicated to these tests). Also applied local tests.

Resources

Not applicable.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (changes to documentation only)
• Refactor / code style update (non-breaking change that improves code structure or readability)
• Tests / CI improvement (adding or updating tests or CI configuration only)
• Other (please describe):

Checklist

• Followed the project's contributing guidelines.
• Updated any relevant tests.
• Updated any relevant documentation.
• Added comments to your code where necessary.
• Formatted your code, run the linters, checked types and tests.

[Copilot]

Pull request overview

This PR adds proxy support for LanguageTool remote server requests and updates the uv.lock file to reflect test dependency removals from a previous PR. The proxy functionality allows users to route their LanguageTool API requests through HTTP/HTTPS proxies, with validation ensuring proxies are only used with remote servers.

• Added optional proxies parameter to LanguageTool.__init__ with validation
• Implemented proxies property with getter/setter for runtime configuration
• Integrated proxy support into _query_server method for all server requests

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

File	Description
uv.lock	Removed test dependencies (pytest-rerunfailures, pytest-runner, pytest-xdist, execnet) that were deleted in a previous PR
language_tool_python/server.py	Added proxy support parameter, attribute, property accessor/mutator, validation logic, and integration with requests library

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