Use typos for spellchecking

[szepeviktor]

Changes

It finds typos.

https://github.com/crate-ci/typos

Tests

• [x] Automated tests have been added
• [ ] This PR does not require tests

Changelog

• [ ] Entry has been added to changelog
• [x] This PR does not make a user-facing change

Documentation

• [ ] Docs have been updated
• [x] This change does not need a documentation update

Dark mode

• [ ] The UI has been tested both in dark and light mode
• [x] This PR does not change the UI

[CLAassistant]

All committers have signed the CLA.