Update dependency snowballstemmer to v2.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
snowballstemmer	==2.1.0 -> ==2.2.0

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Release Notes

snowballstem/snowball

### [`v2.2.0`](https://togithub.com/snowballstem/snowball/compare/v2.1.0...v2.2.0) [Compare Source](https://togithub.com/snowballstem/snowball/compare/v2.1.0...v2.2.0)

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