chore: fix simple typos

[junhyukhan]

fixed simple typos across several files.

Checklist (if applicable):

• PR title is following https://www.conventionalcommits.org/en/v1.0.0/
• Tested (manually, unit tested, etc.)
• Docs updated (updated docs or a docs bug required)

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[pavelgj]

can you please merge the latest from main. It should fix the python checks.