added container throughput update for %%upload

[srinathnarayanan]

Purpose

Added python code to update the container's throughput (before %%upload) and reset it (after %%upload) to ensure quicker upload and no errors due to throttling

Does this introduce a breaking change?

No

Pull Request Type

[ ] Other Additional code to augment running of existing code.

What to Check

Verify that the following are valid

• The markdown and code cell before %upload
• The markdown and code cell after %%upload