[swift-evolution] Proposal: Package Manager Version Pinning

[Georgios Moschovitis]

> In Swift, we have pretty consistently tried to choose the "right" answer to make the resulting language consistent and beautiful.
> I'm perfectly happy to have a discussion about the naming, but I would like it to be driven by what we believe the "right" answer is, not simply by deference to existing solutions.

+100

Moreover, after your explanation, `lock` feels wrong to me too.