Bump go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc from 0.40.0 to 0.44.0 in /tools/invoker #776

Job	Run time
Build and push all images (auth-go)	2m 24s
Build and push all images (auth-python)	1m 50s
Build and push all images (auth-nodejs)	1m 36s
Build and push all images (auth-python-lambda)	2m 2s
Build and push all images (auth-nodejs-lambda)	2m 15s
Build and push all images (auth-go-lambda)	2m 9s
Test Docker Compose (auth-go)	1m 12s
Test Docker Compose (auth-python)	1m 22s
Test Docker Compose (auth-nodejs)	1m 23s
Test Docker Compose (auth-go-tracing)	1m 19s
Test AWS Lambda Deployment (auth-python-lambda)	1m 9s
Test Docker Compose (auth-python-tracing)	1m 22s
Test AWS Lambda Deployment (auth-nodejs-lambda)	1m 10s
Test Knative Deployment (auth-go)	2m 38s
Test Docker Compose (auth-nodejs-tracing)	1m 19s
Test AWS Lambda Deployment (auth-go-lambda)	1m 14s
Test Knative Deployment (auth-python)	2m 38s
Test Knative Deployment (auth-nodejs)	2m 17s
Test Knative Deployment (auth-go-tracing)	2m 19s
Test Knative Deployment (auth-python-tracing)	3m 5s
Test Knative Deployment (auth-nodejs-tracing)	2m 54s
	39m 37s

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