fix(deps): update ava to 4.x

[XhmikosR]

Requires #297

BTW it seems you can update @npmcli/map-workspaces too, although arguably they don't have a changelog.

Closes #292

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[XhmikosR]

@erezrokah you can probably update @npmcli/map-workspace, see my OP :)

[erezrokah]

Triggered it in #2