Bump github.com/prometheus/client_model from 0.3.0 to 0.4.0

Bumps [github.com/prometheus/client_model](https://github.com/prometheus/client_model) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/prometheus/client_model/releases)
- [Commits](https://github.com/prometheus/client_model/compare/v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_model
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/kubernetes-csi/csi-test/v4 v4.0.2
 	github.com/kubernetes-csi/external-snapshotter/client/v6 v6.1.0
 	github.com/prometheus/client_golang v1.15.1
-	github.com/prometheus/client_model v0.3.0
+	github.com/prometheus/client_model v0.4.0
 	github.com/prometheus/common v0.42.0
 	github.com/spf13/cobra v1.6.1
 	google.golang.org/grpc v1.51.0