add check spelling job, bump checkout action

[es-sai-fi]

Checklist

• If I added/changed any options, I ran ./dev/generate-docs.sh > docs/options.json
• I checked contributing.md and my changes conform to it
• I tested my wrapper to make sure it functioned

Test run i did.

There's the possibility of false positives but these can be handled through _typos.toml, you can take a look at the reference here.

[es-sai-fi]

I'll rebase this once the typos fix pr is merged

[Squawkykaka]

you could add to the pre commit job to run this when that is looked at

[es-sai-fi]

you could add to the pre commit job to run this when that is looked at

you mean add this to a pre-commit hook like you're doing in your pr?

[Squawkykaka]

I mean if llakala approves of both i can add a phase to run typo