build(deps): bump snafu from 0.6.9 to 0.6.10

Bumps [snafu](https://github.com/shepmaster/snafu) from 0.6.9 to 0.6.10.
- [Release notes](https://github.com/shepmaster/snafu/releases)
- [Changelog](https://github.com/shepmaster/snafu/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shepmaster/snafu/compare/0.6.9...0.6.10)

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

Cargo.lock

@@ -1636,9 +1636,9 @@ checksum = "7acad6f34eb9e8a259d3283d1e8c1d34d7415943d4895f65cc73813c7396fc85"
 
 [[package]]
 name = "snafu"
-version = "0.6.9"
+version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c4e6046e4691afe918fd1b603fd6e515bcda5388a1092a9edbada307d159f09"
+checksum = "eab12d3c261b2308b0d80c26fffb58d17eba81a4be97890101f416b478c79ca7"
 dependencies = [
  "backtrace",
  "doc-comment",