Auto merge of #75306 - Amanieu:hashbrown8, r=Mark-Simulacrum
Auto merge of #75306 - Amanieu:hashbrown8, r=Mark-Simulacrum

Update hashbrown to 0.8.2

Includes:
- Avoid closures to improve compile times (https://github.com/rust-lang/hashbrown/pull/183)
- Do not iterate to drop if empty (https://github.com/rust-lang/hashbrown/pull/182)

r? @Mark-Simulacrum

aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust