build(deps): bump github.com/nats-io/nats.go from 1.42.0 to 1.43.0

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

---
updated-dependencies:
- dependency-name: github.com/nats-io/nats.go
  dependency-version: 1.43.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -56,7 +56,7 @@ require (
 	github.com/mna/pigeon v1.3.0
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826
 	github.com/nats-io/nats-server/v2 v2.11.4
-	github.com/nats-io/nats.go v1.42.0
+	github.com/nats-io/nats.go v1.43.0
 	github.com/oklog/run v1.1.0
 	github.com/olekukonko/tablewriter v1.0.7
 	github.com/onsi/ginkgo v1.16.5