submodules: update clippy from a8d90f6 to 7ae2442

Changes:
````
Downgrade range_plus_one to pedantic
Rustup to #68204
Add lifetimes to `LateLintPass`
Fix rustc lint import paths generated by `new_lint`
Add lint for default lint description
Update documentation for adding new lints
Generate new lints easily
````

Author: matthiaskrgr