[Wf-Diagnostics] setup a workflow that performs the diagnostics for a given workflow

[sankari165]

What changed?
New workflow in cadence worker service that fetches execution history and uses the invariants to diagnose a workflow. This new workflow will be triggered via cli for testing purposes. Follow up tasks will introduce an API in frontend to trigger this w/f.

This PR aims to introduce the workflow setup and will be followed by updates to improve the workflow implementation

Why?
This workflow will be used to diagnose workflows for cadence users

How did you test it?
unit tests

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

Attention: Patch coverage is 96.07843% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.90%. Comparing base (8f3b119) to head (2c5d9c9).
Report is 6 commits behind head on master.

Files	Patch %	Lines
service/worker/diagnostics/workflow.go	90.47%	1 Missing and 1 partial ⚠️

Additional details and impacted files

Files	Coverage Δ
service/worker/diagnostics/activities.go	100.00% <100.00%> (ø)
service/worker/diagnostics/module.go	100.00% <100.00%> (ø)
service/worker/diagnostics/workflow.go	90.47% <90.47%> (ø)

... and 11 files with indirect coverage changes

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