Auto merge of #70322 - matthiaskrgr:submodule_upd, r=Dylan-DPC

submodules: update clippy from d8e6e4c to 1ff81c1

Changes:
````
rustup #69968
Fix documentation generation for configurable lints
Fix single binding in closure
Improvement: Don't show function body in needless_lifetimes
````
Fixes #70310
r? @Dylan-DPC

Author: bors