fix date more

Author: Shnatsel

crates/actix-http/RUSTSEC-0000-0000.toml

@@ -1,7 +1,7 @@
 [advisory]
 id = "RUSTSEC-0000-0000"
 package = "actix-http"
-date = "2019-01-28"
+date = "2020-01-28"
 title = "Use-after-free in BodyStream due to lack of pinning"
 url = "https://github.com/actix/actix-web/issues/1321"
 categories = ["memory-corruption"]