Update snowballstemmer requirement from ~=2.2.0 to ~=3.0.1

[dependabot]

Updates the requirements on snowballstemmer to permit the latest version.

Changelog

Sourced from snowballstemmer's changelog.

Snowball 3.0.1 (2025-05-09)

Python

• The init.py in 3.0.0 was incorrectly generated due to a missing build dependency and the list of algorithms was empty. First reported by laymonage. Thanks to Dmitry Shachnev, Henry Schreiner and Adam Turner for diagnosing and fixing. (#229, #230, #231)

• Add trove classifiers for Armenian and Yiddish which have now been registered with PyPI. Thanks to Henry Schreiner and Dmitry Shachnev. (#228)

• Update documented details of Python 2 support in old versions.

Snowball 3.0.0 (2025-05-08)

Ada

• Bug fixes:

  • Fix invalid Ada code generated for Snowball loop (it was partly Pascal!) None of the stemmers shipped in previous releases triggered this bug, but the Turkish stemmer now does.

  • The Ada runtime was not tracking the current length of the string but instead used the current limit value or some other substitute, which manifested as various incorrect behaviours for code inside of setlimit.

  • size was incorrectly returning the difference between the limit and the backwards limit.

  • lenof or sizeof on a string variable generated Ada code that didn't even compile.

  • Fix incorrect preconditions on some methods in the runtime.

  • Fix bug in runtime code used by attach, insert, <- and string variable assignment when a (sub)string was replaced with a larger string. This bug was triggered by code in the Kraaij-Pohlmann Dutch stemmer implementation (which was previously not enabled by default but is now the standard Dutch stemmer).

  • Fix invalid code generated for insert, <- and string variable assignment. This bug was triggered by code in the Kraaij-Pohlmann Dutch stemmer implementation (which was previously not enabled by default but is now the standard Dutch stemmer).

... (truncated)

Commits

• e4b3efb Update for 3.0.1
• bbd3319 Protect empty languages dict
• 298ff9f Update details of Python 2 support in old versions
• 53fe098 python: Specify correct dependencies for $(python_output_dir)/__init__.py
• 00a22de Stop excluding classifiers for Armenian and Yiddish
• abd9adc Update for 3.0.0
• d23d356 Back out incomplete ESM support for 3.0.0
• ff42274 Update draft NEWS entry
• cd61f01 tamil: remove_tense_suffix signals if ending removed
• edfe576 nepali: Reformat amongs to be clearer
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

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Summary by Sourcery

Build:

• Upgrade snowballstemmer from ~=2.2.0 to ~=3.0.1 in requirements.txt

[sourcery-ai]

Reviewer's Guide

This PR updates the project’s dependency on snowballstemmer to the latest 3.0.x line by changing the version specifier in the requirements file to permit the new release with Python fixes and additional language classifiers.

File-Level Changes

Change	Details	Files
Bump snowballstemmer dependency to latest major version	Changed version specifier from ~=2.2.0 to ~=3.0.1 Reran CI to confirm compatibility Left Dependabot metadata intact to allow automated rebasing	requirements.txt

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