Update simulating-historical-communication-networks-python.md

[anisa-hawes]

I'm updating broken link in the EN lesson simulating-historical-communication-networks-python

• The problem link is:
  • https://github.com/projectmesa/mesa/blob/2.4.x-maintenance/mesa/datacollection.py
• This repository has been reorganised and the file is now available at:
  • https://github.com/mesa/mesa/blob/main/mesa/datacollection.py

Closes #3727

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