Added automated integration tests runs on github (requires approval)

[mbfreder]

Issue #, if available:

Description of changes:

• Added a Github workflow to run integrations tests on every PR.
• Used environments approval workflow to only run the tests when someone on the team approves it (excluding the person that sent the PR).

Tests: In order to test, we need to create a dummy PR and verify the following:

• An approval is required to run the workflow
• The workflow successfully runs when someone approves it.

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[mbfreder]

I ran some tests on my fork and can confirm that the workflow doesn't run on the main repo.