bors 955503e1de Auto merge of #13800 - epage:u3, r=weihanglo
fix(toml): Don't double-warn when underscore is used in workspace dep

### What does this PR try to resolve?

This is prep for removing them in the 2024 Edition and is part of rust-lang/rust#123754 and #13629

Particularly, I wanted to make sure I didn't make things worse and in doing so found there was room for improvement.

### How should we test and review this PR?

### Additional information
2024-04-24 20:25:10 +00:00
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