Update dependencies

Author: anshalshukla

examples/invoker/go.mod

@@ -17,6 +17,8 @@ require (
 	github.com/vhive-serverless/vhive/examples/endpoint v0.0.0-00010101000000-000000000000
 	github.com/vhive-serverless/vhive/utils/benchmarking/eventing v0.0.0-00010101000000-000000000000
 	github.com/vhive-serverless/vhive/utils/tracing/go v0.0.0-00010101000000-000000000000
+	go.opentelemetry.io/otel/semconv v1.15.0-rc.2
+	go.opentelemetry.io/otel/metric/registry v1.15.0-rc.2
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0
 	google.golang.org/grpc v1.39.0
 	google.golang.org/protobuf v1.26.0