Bump google.golang.org/grpc from 1.42.0 to 1.43.0 (#540)

* Bump google.golang.org/grpc from 1.42.0 to 1.43.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.42.0 to 1.43.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.42.0...v1.43.0

)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* replace grpc.WithInsecure() with insecure.NewCredentials()

Signed-off-by: Carlos Panato <ctadeu@gmail.com>

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