Upgrade actix crate to 0.13 version (#1034)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kai Ren <tyranron@gmail.com>

Author: dependabot[bot]

juniper_actix/Cargo.toml

@@ -12,11 +12,11 @@ repository = "https://github.com/graphql-rust/juniper"
 subscriptions = ["juniper_graphql_ws", "tokio"]
 
 [dependencies]
-actix = "0.12"
+actix = "0.13"
 actix-http = "3.0"
 http = "0.2.4"
 actix-web = "4.0"
-actix-web-actors = "=4.0.0"
+actix-web-actors = "4.1.0"
 
 juniper = { version = "0.16.0-dev", path = "../juniper", default-features = false }
 juniper_graphql_ws = { version = "0.3.0", path = "../juniper_graphql_ws", optional = true }