Bump hashbrown to 0.16

Author: ipetkov

Cargo.lock

@@ -82,7 +82,7 @@ chrono = { version = "0.4.37", optional = true, default-features = false, featur
 ] }
 chrono-tz = { version = "0.10.0", optional = true }
 fast_chemail = { version = "0.9.6", optional = true }
-hashbrown = { version = "0.14.5", optional = true }
+hashbrown = { version = "0.16", optional = true }
 iso8601 = { version = "0.6.1", optional = true }
 log = { version = "0.4.21", optional = true }
 opentelemetry = { version = "0.30.0", optional = true, default-features = false, features = [