Bump assert_cmd from 2.0.3 to 2.0.4

Bumps [assert_cmd](https://github.com/assert-rs/assert_cmd) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/assert-rs/assert_cmd/releases)
- [Changelog](https://github.com/assert-rs/assert_cmd/blob/master/CHANGELOG.md)
- [Commits](https://github.com/assert-rs/assert_cmd/compare/v2.0.3...v2.0.4)

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

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

Cargo.lock

@@ -62,9 +62,9 @@ dependencies = [
 
 [[package]]
 name = "assert_cmd"
-version = "2.0.3"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9189966ceec267927e1e72ec8c98f2d6a3d8b7d1b381ba795de4eafd6ec4d8"
+checksum = "93ae1ddd39efd67689deb1979d80bad3bf7f2b09c6e6117c8d1f2443b5e2f83e"
 dependencies = [
  "bstr",
  "doc-comment",

lychee-bin/Cargo.toml

@@ -44,7 +44,7 @@ tokio-stream = "0.1.8"
 once_cell = "1.9.0"
 
 [dev-dependencies]
-assert_cmd = "2.0.3"
+assert_cmd = "2.0.4"
 predicates = "2.1.1"
 pretty_assertions = "1.0.0"
 tempfile = "3.3.0"