[Merged by Bors] - chore: fix typos

[int-y1]

Typos were found with

pip install codespell --upgrade
codespell --summary --ignore-words-list accpt,bu,calle,commmon,comon,disjointness,enew,haa,hax,hda,hge,homs,hsa,hsi,ihs,mor,nailin,ofmodule,ofset,ore,pres,toword,ue --check-filenames
codespell --summary --ignore-words-list accpt,bu,calle,commmon,comon,disjointness,enew,haa,hax,hda,hge,homs,hsa,hsi,ihs,mor,nailin,ofmodule,ofset,ore,pres,toword,ue --check-filenames --regex '[A-Z][a-z]*'
codespell --summary --ignore-words-list accpt,bu,calle,commmon,comon,disjointness,enew,haa,hax,hda,hge,homs,hsa,hsi,ihs,mor,nailin,ofmodule,ofset,ore,pres,toword,ue --check-filenames --regex "\b[a-z']*"

There were 2 public-facing typos that I didn't fix in this PR: isHomogenous_toTupleMvPolynomial, eventualy_isUnit_of_isUnit

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[github-actions]

PR summary f51efbe0b8

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

---

No changes to technical debt.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[bryangingechen]

Thanks!
bors r+

[mathlib-bors]

Pull request successfully merged into master.

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