Remove disabled optional weak dependencies when resolving#16424

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Jackhr-arch wants to merge 3 commits intorust-lang:masterfrom

Jackhr-arch:weak_dep_in_lock

Commits on Jan 28, 2026

test(resolver): Port four test from https://github.com/rust-lang/cargo/pull/11938
Jackhr-arch
committed
fix(resolver): Enable weak dependency's features only when they are needed
Jackhr-arch
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chore(resolver): Gate new resolver behind Version 5
Jackhr-arch
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