Use anyhow for formatting and handling errors

This works better than doing it manually, and it significantly reduces
the amount of boilerplate needed.

tools/yabridgectl/Cargo.lock

@@ -9,6 +9,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85bb70cc08ec97ca5450e6eba421deeea5f172c0fc61f78b5357b2a8e8be195f"
+
 [[package]]
 name = "arrayref"
 version = "0.3.6"
@@ -665,6 +671,7 @@ name = "yabridgectl"
 version = "1.2.1"
 dependencies = [
  "aho-corasick",
+ "anyhow",
  "clap",
  "colored",
  "lazy_static",