pip compile: --prerelease and/or --extra-index-url not getting correct dependency version

[sbarrios93]

Using uv pip compile with --extra-index-url=https://download.pytorch.org/whl/nightly/cu121 with --prerelease=allow does not locate PyTorch 2.3.0, but using --index-url does.

❯ uv --version
uv 0.1.5

# Doesn't work
❯ VIRTUAL_ENV=.venv uv pip compile --no-deps --no-header --python-version 3.11.7 --extra-index-url=https://download.pytorch.org/whl/nightly/cu121 --prerelease=allow  -
torch
Resolved 1 package in 2.11s
torch==2.2.0

# Works but...
❯ VIRTUAL_ENV=.venv uv pip compile --no-deps --no-header --python-version 3.11.7 --index-url=https://download.pytorch.org/whl/nightly/cu121 --prerelease=allow  -
torch
Resolved 1 package in 1.61s
torch==2.3.0.dev20240219+cu121

# ... wouldn't work for this
❯ VIRTUAL_ENV=.venv uv pip compile --no-deps --no-header --python-version 3.11.7 --index-url=https://download.pytorch.org/whl/nightly/cu121 --prerelease=allow  -
torch
ruff
error: HTTP status client error (403 Forbidden) for url (https://download.pytorch.org/whl/nightly/cu121/ruff/)

# explicit version using --extra-index-url also doesn't work
❯ VIRTUAL_ENV=.venv uv pip compile --no-deps --no-header --python-version 3.11.7 --extra-index-url=https://download.pytorch.org/whl/nightly/cu121 --prerelease=allow  -
torch==2.3.0.dev20240219+cu121
  × No solution found when resolving dependencies:
  ╰─▶ Because there is no version of torch==2.3.0.dev20240219+cu121 and you require torch==2.3.0.dev20240219+cu121, we can conclude that the requirements are unsatisfiable.

I'm split 50/50 between I'm doing something wrong vs. This doesn't work correctly

[sbarrios93]

Related to #1451