chore(dependencies): Update httpdate to v1.0 (#2485)

Previous version would return wrong results for `Ord`.

Author: pyfisch

Cargo.toml

@@ -29,7 +29,7 @@ futures-channel = "0.3"
 futures-util = { version = "0.3", default-features = false }
 http = "0.2"
 http-body = "0.4"
-httpdate = "0.3"
+httpdate = "1.0"
 httparse = "1.0"
 h2 = { version = "0.3", optional = true }
 itoa = "0.4.1"