Relay Testing Library CI/CD

[tmastrom]

Description

Add CI/CD to the Relay Testing Library package release

User Story

As a developer

I want CI/CD for releasing the relay testing library

So that bugs are caught

Acceptance Criteria

Given	When	Then	Pass/Fail (TBD by reviewer)
precondition/initial context/state of the system. Ex: I am on Product page	event/trigger. Ex: I click Buy Now	output/action. Ex: I am redirected to Payment page

Research + Rationale Summary

Why should this feature be added/modified?

Prototype (if applicable)

Developer notes

• https://snyk.io/blog/best-practices-create-modern-npm-package/