Bump serde_json from 1.0.80 to 1.0.81

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.80 to 1.0.81.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.80...v1.0.81

)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -2874,9 +2874,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f972498cf015f7c0746cac89ebe1d6ef10c293b94175a243a2d9442c163d9944"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa",
  "ryu",

Cargo.toml

@@ -41,7 +41,7 @@ blake2 = "0.10.4"
 contract-metadata = { version = "0.6.0", path = "./metadata" }
 semver = { version = "1.0.9", features = ["serde"] }
 serde = { version = "1.0.137", default-features = false, features = ["derive"] }
-serde_json = "1.0.80"
+serde_json = "1.0.81"
 tempfile = "3.3.0"
 url = { version = "2.2.2", features = ["serde"] }
 impl-serde = "0.3.2"

metadata/Cargo.toml

@@ -20,7 +20,7 @@ path = "lib.rs"
 impl-serde = "0.3.2"
 semver = { version = "1.0.9", features = ["serde"] }
 serde = { version = "1.0.137", default-features = false, features = ["derive"] }
-serde_json = "1.0.80"
+serde_json = "1.0.81"
 url = { version = "2.2.2", features = ["serde"] }
 
 [dev-dependencies]