Add support for pip install --only-deps.#13895

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shoeffner wants to merge 3 commits intopypa:mainfrom

shoeffner:only-deps

Commits on Apr 7, 2026

Add support for pip install --only-deps.
shoeffner
committed

Commits on Apr 8, 2026

add --only-deps to all relevant commands and pass only_dependencies to resolver
shoeffner
committed
check that --only-deps does not prepare a build env with the build requirement
shoeffner
committed