feat: watchdog for detecting tokio runtime deadlock (I wish I could prevent it, but I don't know what's causing it)

Cargo.lock

@@ -1777,6 +1777,7 @@ dependencies = [
  "extension-traits",
  "futures",
  "hound",
+ "humantime",
  "itertools",
  "moka",
  "opendal",
@@ -2517,6 +2518,12 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
+[[package]]
+name = "humantime"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "135b12329e5e3ce057a9f972339ea52bc954fe1e9358ef27f95e89716fbc5424"
+
 [[package]]
 name = "hyper"
 version = "1.9.0"