build(deps): bump github.com/containerd/containerd from 1.6.12 to 1.6.26 in /tools/invoker #1005

Job	Run time
Build and push all images (auth-go)	1m 12s
Build and push all images (auth-python)	1m 25s
Build and push all images (auth-nodejs)	1m 31s
Build and push all images (auth-python-lambda)	1m 22s
Build and push all images (auth-nodejs-lambda)	1m 35s
Build and push all images (auth-go-lambda)	1m 20s
Test Docker Compose (auth-go)	1m 14s
Test Knative Deployment (auth-go)	1m 54s
Test AWS Lambda Deployment (auth-python-lambda)	1m 8s
Test Docker Compose (auth-python)	1m 18s
Test Knative Deployment (auth-python)	2m 1s
Test AWS Lambda Deployment (auth-nodejs-lambda)	1m 14s
Test Docker Compose (auth-nodejs)	1m 15s
Test Knative Deployment (auth-nodejs)	1m 58s
Test Docker Compose (auth-go-tracing)	1m 11s
Test Knative Deployment (auth-go-tracing)	2m 8s
Test AWS Lambda Deployment (auth-go-lambda)	1m 3s
Test Docker Compose (auth-python-tracing)	1m 12s
Test Knative Deployment (auth-python-tracing)	2m 8s
Test Docker Compose (auth-nodejs-tracing)	1m 16s
Test Knative Deployment (auth-nodejs-tracing)	1m 58s
	31m 23s

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