Display lints which are blocked by the configured MSRV

[Jarcho]

Description

For crates which use a configured MSRV for documentation purposes, it would be good to have a way to receive lint suggestions that would require raising the crate's MSRV. User facing part would look something like:

• Normal runs of clippy will filter these out like normal, but with an additional diagnostic output to note that lints were suppressed do to the configured MSRV.
• Some way to run clippy (config/argument/something else) to display the MSRV filtered lints. All these lints should have a note about raising the MSRV.
• If --fix is used for these lints the MSRV should also be changed.

Version

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Additional Labels

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