refactor - moving check_stability check to parse_stability

[josetorrs]

This PR is part of issue #153101 and by extension this #131229 as well

r? @JonathanBrouwer

[rustbot]

Some changes occurred in compiler/rustc_passes/src/check_attr.rs

cc @jdonszelmann, @JonathanBrouwer

Some changes occurred in compiler/rustc_attr_parsing

cc @jdonszelmann, @JonathanBrouwer

[rustbot]

r? @jackh726

rustbot has assigned @jackh726.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

Why was this reviewer chosen?

The reviewer was selected based on:

• Owners of files modified in this PR: compiler
• compiler expanded to 69 candidates
• Random selection from 15 candidates

[rustbot]

JonathanBrouwer is currently at their maximum review capacity.
They may take a while to respond.