Bump github.com/BurntSushi/toml from 1.2.0 to 1.2.1 (#76)

Bumps [github.com/BurntSushi/toml](https://github.com/BurntSushi/toml) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/BurntSushi/toml/releases)
- [Commits](https://github.com/BurntSushi/toml/compare/v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: github.com/BurntSushi/toml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

go.mod

@@ -3,6 +3,6 @@ module go.unistack.org/micro-codec-toml/v3
 go 1.16
 
 require (
-	github.com/BurntSushi/toml v1.2.0
+	github.com/BurntSushi/toml v1.2.1
 	go.unistack.org/micro/v3 v3.9.11
 )