chore(deps): bump github.com/imdario/mergo from 0.3.12 to 0.3.13 (#134)

Bumps [github.com/imdario/mergo](https://github.com/imdario/mergo) from 0.3.12 to 0.3.13.
- [Release notes](https://github.com/imdario/mergo/releases)
- [Commits](https://github.com/imdario/mergo/compare/0.3.12...v0.3.13)

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

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

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

go.mod

@@ -5,12 +5,11 @@ go 1.16
 require (
 	github.com/google/gnostic v0.6.8 // indirect
 	github.com/google/go-cmp v0.5.7 // indirect
-	github.com/imdario/mergo v0.3.12
+	github.com/imdario/mergo v0.3.13
 	github.com/kr/pretty v0.2.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35
 	go.unistack.org/micro-proto/v3 v3.2.7
 	google.golang.org/protobuf v1.28.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 )