build(deps): bump toml from 0.5.7 to 0.5.8

Bumps [toml](https://github.com/alexcrichton/toml-rs) from 0.5.7 to 0.5.8.
- [Release notes](https://github.com/alexcrichton/toml-rs/releases)
- [Commits](https://github.com/alexcrichton/toml-rs/compare/0.5.7...0.5.8)

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

Cargo.lock

@@ -1835,9 +1835,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.7"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cf45bb0bef80604d001caaec0d09da99611b3c0fd39d3080468875cdb65645"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
  "serde",
 ]