remove local version specifier at poetry add

[dimbleby]

$ poetry source add torch https://download.pytorch.org/whl/cpu
Adding source with name torch.

$ poetry add --lock --source torch torch
Using version ^2.4.0+cpu for torch

but ^2.4.0+cpu is not a valid constraint: or anyway it is not valid once it has been converted into a regular version specifier (eg when written to METADATA). Because per PEP440 on inclusive ordered comparison

Local version identifiers are NOT permitted in this version specifier

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.