Auto merge of rust-lang#60626 - matthiaskrgr:submodule_upd, r=oli-obk

submodules: update clippy from fc96aa0 to 341c96a

Fixes clippy toolstate

Fixes rust-lang#60623

Changes:
````
rustup rust-lang#60586
Add test for rust-lang#771.
Clean up while_loop tests
````

r? @Manishearth

Author: bors