Add `Run benchmarking` button on each Pull Request

[phanikumv]

Please describe the feature you'd like to see I really wish I could run benchmarking for each Pull Request that a contributor creates on the astro-sdk repo. This enables us to easily track which particular PR is impacting the performance of the operators.

Describe the solution you'd like Add a label/button that lets a contributor trigger the benchmark process( and persist results in a database)

Are there any alternatives to this feature? Run benchmarking process manually

Acceptance Criteria

• [ ] All checks and tests in the CI should pass
• [ ] Unit tests (90% code coverage or more, once available)
• [ ] Integration tests (if the feature relates to a new database or external service)
• [ ] Example DAG
• [ ] Docstrings in reStructuredText for each of methods, classes, functions and module-level attributes (including Example DAG on how it should be used)
• [ ] Exception handling in case of errors
• [ ] Logging (are we exposing useful information to the user? e.g. source and destination)
• [ ] Improve the documentation (README, Sphinx, and any other relevant)
• [ ] How to use Guide for the feature (example)

[phanikumv]

Lets re-visit this at a later point of time considering the time it takes to run benchmarking.

[utkarsharma2]

We have implemented this feature with the run_benchmark label.