Bump anyhow from 1.0.48 to 1.0.50 (#379)

Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.48 to 1.0.50.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](dtolnay/anyhow@1.0.48...1.0.50)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -20,7 +20,7 @@ include = ["Cargo.toml", "src/**/*.rs", "README.md", "LICENSE", "build.rs", "tem
 
 [dependencies]
 env_logger = "0.9.0"
-anyhow = "1.0.48"
+anyhow = "1.0.50"
 structopt = "0.3.25"
 log = "0.4.14"
 heck = "0.3.3"
@@ -53,7 +53,7 @@ hex = { version = "0.4.3", optional = true }
 funty = "=1.1.0"
 
 [build-dependencies]
-anyhow = "1.0.48"
+anyhow = "1.0.50"
 zip = { version = "0.5.13", default-features = false }
 walkdir = "2.3.2"
 substrate-build-script-utils = "3.0.0"