[python_sample_count] Add new check - #163
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What is this PR?
This PR adds a check for the Python Profiler to ensure we don't emit absurd amounts of wall time samples when there are many tasks / greenlets in the process.
Currently, the few seconds-long script generates about 50k samples, due to the 500+10 tasks that exist. We are currently working on getting that number down by intelligently selecting which tasks to sample.