fix: fixing typo in dependency setup

charset-normalizer is misplet in the requirements.txt files

Issue #, if available:

Description of changes:

Testing done:

run tox locally for UTs

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how did the old code even work ? Maybe this package is not even needed. Lets start a parallel thread with the original author to understand how this code path is tested.

Good question - The dependency must be pulled as part of another package in the requirements.txt file, pip always tries to pull the latest compatible version which would be 3.4, so I'm guessing that's why no issues ( maybe there is an open issue for a particular component)

pip clearly mentions error when installing, I'm guessing this was missed by original creators - will follow up with the team and add a CR checklist as well meanwhile.

 % pip install packagedoesnotexist
ERROR: Could not find a version that satisfies the requirement packagedoesnotexist (from versions: none)
ERROR: No matching distribution found for packagedoesnotexist

aws / sagemaker-python-sdk