Bump github.com/minio/minio-go/v7 from 7.0.15 to 7.0.18

Bumps [github.com/minio/minio-go/v7](https://github.com/minio/minio-go) from 7.0.15 to 7.0.18.
- [Release notes](https://github.com/minio/minio-go/releases)
- [Commits](https://github.com/minio/minio-go/compare/v7.0.15...v7.0.18)

---
updated-dependencies:
- dependency-name: github.com/minio/minio-go/v7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -5,7 +5,7 @@ go 1.16
 require (
 	github.com/gabriel-vasile/mimetype v1.4.0
 	github.com/google/uuid v1.2.0 // indirect
-	github.com/minio/minio-go/v7 v7.0.15
+	github.com/minio/minio-go/v7 v7.0.18
 	github.com/stretchr/testify v1.7.0 // indirect
 	go.unistack.org/micro/v3 v3.8.11
 )