chore(deps): bump google.golang.org/protobuf in /example/otel (#2944)

Bumps google.golang.org/protobuf from 1.32.0 to 1.33.0.

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: ofekshenawa <104765379+ofekshenawa@users.noreply.github.com>

Author: dependabot[bot]

example/otel/go.mod

@@ -25,8 +25,6 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0 // indirect
 	github.com/redis/go-redis/extra/rediscmd/v9 v9.5.1 // indirect
 	go.opentelemetry.io/contrib/instrumentation/runtime v0.46.1 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.17.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric v0.43.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v0.44.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.21.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.21.0 // indirect
@@ -43,5 +41,5 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20240108191215-35c7eff3a6b1 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240108191215-35c7eff3a6b1 // indirect
 	google.golang.org/grpc v1.60.1 // indirect
-	google.golang.org/protobuf v1.32.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 )