Bump protobufjs from 6.11.3 to 6.11.4 in /benchmarks/auth/nodejs #738

Job	Run time
Build and push all images (auth-go)	2m 3s
Build and push all images (auth-python)	1m 29s
Build and push all images (auth-nodejs)	1m 38s
Build and push all images (auth-python-lambda)	2m 1s
Build and push all images (auth-nodejs-lambda)	2m 28s
Build and push all images (auth-go-lambda)	2m 10s
Test AWS Lambda Deployment (auth-python-lambda)	1m 9s
Test AWS Lambda Deployment (auth-nodejs-lambda)	1m 14s
Test AWS Lambda Deployment (auth-go-lambda)	1m 11s
Test Docker Compose (auth-go)	1m 11s
Test Docker Compose (auth-python)	1m 16s
Test Docker Compose (auth-nodejs)	1m 17s
Test Docker Compose (auth-go-tracing)	1m 15s
Test Docker Compose (auth-python-tracing)	1m 19s
Test Docker Compose (auth-nodejs-tracing)	1m 20s
Test Knative Deployment (auth-go)	2m 34s
Test Knative Deployment (auth-python)	3m 5s
Test Knative Deployment (auth-nodejs)	2m 57s
Test Knative Deployment (auth-go-tracing)	2m 52s
Test Knative Deployment (auth-python-tracing)	2m 53s
Test Knative Deployment (auth-nodejs-tracing)	2m 27s
	39m 49s

Provide feedback