Merge pull request #110 from k0kubun/dependabot/cargo/serde_json-1.0.81

Bump serde_json from 1.0.73 to 1.0.81

Cargo.lock

@@ -806,9 +806,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.73"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcbd0344bc6533bc7ec56df11d42fb70f1b912351c0825ccb7211b59d8af7cf5"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa",
  "ryu",