chore: bump rust-version to 1.86.0, bump criterion to 0.8.2

Author: jgabaut

Cargo.lock

@@ -12,15 +12,15 @@ and fast access to the underlying strings.
 """
 categories = ["data-structures"]
 edition = "2024"
-rust-version = "1.85.0"
+rust-version = "1.86.0"
 
 [dependencies]
 hashbrown = { version = "0.17.0", default-features = false, features = ["default-hasher", "raw-entry"] }
 serde = { version = "1.0", default-features = false, features = ["alloc"], optional = true }
 
 [dev-dependencies]
 serde_json = "1.0"
-criterion = "0.7.0"
+criterion = "0.8.2"
 rustc-hash = "2.1.1"
 
 [[bench]]