Switch to axum from warp

The warp repo hasn't seen any activity in over a year; project seems
fairly dead.

Cargo.toml

@@ -24,6 +24,8 @@ exclude = [
 
 [dependencies]
 anyhow = "1"
+axum = "0.8.4"
+axum-extra = { version = "0.10.1", features = ["typed-header"] }
 chrono = { version = "0.4", features = ["serde"] }
 constant_time_eq = "0.4"
 dateparser = "0.2"
@@ -40,4 +42,3 @@ serde_json = "1"
 serde_regex = "1"
 serde_yaml = "0.9"
 tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "macros", "time"] }
-warp = "0.3"