Bump github.com/containerd/containerd from 1.6.12 to 1.7.6 in /utils/tracing/go #768

Job	Run time
Build and push all images (auth-go)	1m 57s
Build and push all images (auth-python)	1m 32s
Build and push all images (auth-nodejs)	1m 42s
Build and push all images (auth-python-lambda)	2m 9s
Build and push all images (auth-nodejs-lambda)	2m 12s
Build and push all images (auth-go-lambda)	2m 21s
Test Docker Compose (auth-go)	1m 14s
Test Docker Compose (auth-python)	1m 13s
Test Docker Compose (auth-nodejs)	1m 17s
Test Docker Compose (auth-go-tracing)	1m 20s
Test Docker Compose (auth-python-tracing)	1m 21s
Test Docker Compose (auth-nodejs-tracing)	1m 19s
Test AWS Lambda Deployment (auth-python-lambda)	1m 12s
Test AWS Lambda Deployment (auth-nodejs-lambda)	1m 13s
Test AWS Lambda Deployment (auth-go-lambda)	1m 18s
Test Knative Deployment (auth-go)	2m 13s
Test Knative Deployment (auth-python)	2m 29s
Test Knative Deployment (auth-nodejs)	2m 41s
Test Knative Deployment (auth-go-tracing)	3m 1s
Test Knative Deployment (auth-python-tracing)	2m 54s
Test Knative Deployment (auth-nodejs-tracing)	2m 48s
	39m 26s

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