Rollup merge of rust-lang#61582 - matthiaskrgr:submodule_upd, r=oli-obk

submodules: update clippy from 20da8f4 to 71be6f6

Changes:
````
rustup rust-lang#57428
Remove `to_string()`s from CompilerLintFunctions
Fix comment grammar
Fix .map(..).unwrap_or_else(..) bad suggestion
add suggestions for print/write with newline lint
````
Fixes rust-lang#61578
r? @oli-obk

Author: Centril