Bump snafu from 0.7.3 to 0.7.4

Bumps [snafu](https://github.com/shepmaster/snafu) from 0.7.3 to 0.7.4.
- [Release notes](https://github.com/shepmaster/snafu/releases)
- [Changelog](https://github.com/shepmaster/snafu/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shepmaster/snafu/compare/0.7.3...0.7.4)

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

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

Cargo.lock

@@ -677,9 +677,9 @@ dependencies = [
 
 [[package]]
 name = "snafu"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a152ba99b054b22972ee794cf04e5ef572da1229e33b65f3c57abbff0525a454"
+checksum = "cb0656e7e3ffb70f6c39b3c2a86332bb74aa3c679da781642590f3c1118c5045"
 dependencies = [
  "doc-comment",
  "snafu-derive",
@@ -687,9 +687,9 @@ dependencies = [
 
 [[package]]
 name = "snafu-derive"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5e79cdebbabaebb06a9bdbaedc7f159b410461f63611d4d0e3fb0fab8fed850"
+checksum = "475b3bbe5245c26f2d8a6f62d67c1f30eb9fffeccee721c45d162c3ebbdf81b2"
 dependencies = [
  "heck",
  "proc-macro2",

Cargo.toml

@@ -38,7 +38,7 @@ rayon = "1.6.0"
 regex = "1.7.0"
 serde_yaml = "0.9.14"
 slug = "0.1.4"
-snafu = "0.7.3"
+snafu = "0.7.4"
 unicode-normalization = "0.1.22"
 
 [dev-dependencies]