[Merged by Bors] - chore: fix type class assumptions for NonUnitalStarAlgHom.map_cfcₙ

[j-loreaux]

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[github-actions]

PR summary 07157f4f43

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/declarations_diff.sh <optional_commit>

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

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

[urkud]

Thanks! 🎉
bors merge

[mathlib-bors]

Pull request successfully merged into master.

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