feat(lint): Making the lint name a terminal hyperlink to docs

[Suryansh-Dey]

What does this PR try to resolve?

closes #17438
Change was to modify fn emmited_source to make name a hyperlink. Had to take gctx as arg to prints the terminal escape code for hyperlink.
Updated rest the files accordingly to pass gctx to emmited_source as new argument.

How to test and review this PR?

Run cargo test --test testsuite -- lints all 101 tests passed. (Snapshots were updated to have <a> tag)

[rustbot]

This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed.

Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers.

[Suryansh-Dey]

All Cargo lints are automatically scraped and compiled into doc/book/src/reference/lints.md via xtask-lint-docs hence it contains all lint definitions.

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[Suryansh-Dey]

r? @weihanglo

[weihanglo]

FWIW, we might want to also detect the toolchain channel/version and prepend that in the URL.

For example, the nightly part in https://doc.rust-lang.org/nightly/cargo/reference/lints.html. It might be tricky in test snapshots as we might need to omit that part in them.

[Suryansh-Dey]

FWIW, we might want to also detect the toolchain channel/version and prepend that in the URL.

For example, the nightly part in https://doc.rust-lang.org/nightly/cargo/reference/lints.html. It might be tricky in test snapshots as we might need to omit that part in them.

But cargo_docs_link() already handles this so I think we are safe.

[epage]

That only handles channel. I wonder if it should also handle version in the "" case.

Most other docs aren't as version sensitive as lints which is probably why we didn't do it before.

[epage]

Thanks!

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