npm package updates (#133)

* bump packages to minimum current

* update azure-devops-node-api

* update azure-pipelines-task-lib to 5.2.8

* minor change to package.json to reflect newer version of appinsights

* mismatch fix on chai types

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Co-authored-by: bryan cook <3217452+bryancook@users.noreply.github.com>

Author: bryanbcook