chore(deps): bump google.golang.org/protobuf in /extra/redisprometheus (#2942)

Bumps google.golang.org/protobuf from 1.28.1 to 1.33.0.

---
updated-dependencies:
- dependency-name: google.golang.org/protobuf
  dependency-type: indirect
...

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

Author: dependabot[bot]

extra/redisprometheus/go.mod

@@ -19,5 +19,5 @@ require (
 	github.com/prometheus/common v0.39.0 // indirect
 	github.com/prometheus/procfs v0.9.0 // indirect
 	golang.org/x/sys v0.4.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 )