submodules: update clippy from 70b93aa to e170c84

Changes:
````
rustup  #70536
Rustup to #70449
readme: move "how to run single lint" instructions to "Allowing/denying lints" section.
git attribute macros not allowed in submodules
Deprecate REPLACE_CONSTS lint
Bump itertools
````

Fixes #70554

Author: matthiaskrgr