Bump github.com/prometheus/client_golang from 1.10.0 to 1.11.1 (#68)

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.10.0 to 1.11.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](prometheus/client_golang@v1.10.0...v1.11.1)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
...

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

go.mod

@@ -15,14 +15,16 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/pelletier/go-toml v1.4.0 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/client_golang v1.10.0
+	github.com/prometheus/client_golang v1.11.1
 	github.com/rcrowley/go-metrics v0.0.0-20190706150252-9beb055b7962 // indirect
 	github.com/smartystreets/assertions v1.0.0 // indirect
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/viper v1.7.0
 	github.com/stretchr/testify v1.7.0
+	go.opencensus.io v0.22.2 // indirect
 	go.uber.org/zap v1.17.0
+	golang.org/x/tools v0.0.0-20200103221440-774c71fcf114 // indirect
 	google.golang.org/api v0.13.0
 	sigs.k8s.io/controller-runtime v0.6.1
 )