Bump serde_json from 1.0.48 to 1.0.50

Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.48 to 1.0.50.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.48...v1.0.50)

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

Cargo.lock

@@ -1798,9 +1798,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.48"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9371ade75d4c2d6cb154141b9752cf3781ec9c05e0e5cf35060e1e70ee7b9c25"
+checksum = "78a7a12c167809363ec3bd7329fc0a3369056996de43c4b37ef3cd54a6ce4867"
 dependencies = [
  "itoa",
  "ryu",

Cargo.toml

@@ -19,7 +19,7 @@ openssl-probe = "0.1.2"
 reqwest = "0.10.3"
 serde = "1.0.105"
 serde_derive = "1.0.103"
-serde_json = "1.0.48"
+serde_json = "1.0.50"
 structopt = "0.3.12"
 actix-rt = "1.0.0"