Added workflow to run e2e tests on merge

[santosh-chamoli]

Description

Added a workflow to run e2e tests on merge.

Related Issue

Motivation and Context

Run e2e tests in the pipeline to proactively detect e2e test failures.

How Has This Been Tested?

Workflow tested by merging the PR to master in a forked repo; refer https://github.com/santosh-chamoli/aio-cli/actions/workflows/e2e.yml

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x ] I have signed the Adobe Open Source CLA.
• [ x] My code follows the code style of this project.
• [ x] My change requires a change to the documentation.
• [x ] I have updated the documentation accordingly.
• [ x] I have read the CONTRIBUTING document.
• [ x] I have added tests to cover my changes.
• [x ] All new and existing tests passed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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