Merge pull request vcombey#29 from poliorcetics/hashbrown-update

deps: update hashbrown to 0.12.1

Author: vcombey

Cargo.toml

@@ -11,7 +11,7 @@ readme = "README.md"
 keywords = ["fallible", "collections"]
 
 [dependencies]
-hashbrown = "0.11.2"
+hashbrown = "0.12.1"
 
 [features]
 # Enable on nightly builds to allow use of unstable features