chore: one spellcheck to rule them all

[LesnyRumcajs]

Summary of changes

One spellcheck to rule them all, One spellcheck to find them (typos) , One spellcheck to bring them all, and in the CI bind them

Changes introduced in this pull request:

• moves all spellchecks to cargo spellcheck so that we don't have two spellcheckers in place
• merged dictionaries, fixed issues, etc.

Reference issue to close (if applicable)

Closes #5958
Closes #5203

Other information and links

Reported bug in cargo-spellcheck in drahnr/cargo-spellcheck#357

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Outside contributions

• I have read and agree to the CONTRIBUTING document.
• I have read and agree to the AI Policy document. I understand that failure to comply with the guidelines will lead to rejection of the pull request.

[coderabbitai]

Caution

Review failed

The head commit changed during the review from 3b23897 to 350b451.

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch hunspell-all

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.37%. Comparing base (80f3c02) to head (350b451).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

Files with missing lines	Coverage Δ
src/rpc/error.rs	24.32% <ø> (ø)
src/shim/actors/builtin/miner/mod.rs	29.55% <ø> (ø)

... and 13 files with indirect coverage changes

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