Change python re dependency to google's re2

[LDiazN]

This PR replaces the current usage of Python's re module with google's more efficient re2 module, see: https://github.com/google/re2

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.78%. Comparing base (e70e168) to head (4c94f32).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #143   +/-   ##
=======================================
  Coverage   82.77%   82.78%           
=======================================
  Files          78       78           
  Lines        4871     4873    +2     
=======================================
+ Hits         4032     4034    +2     
  Misses        839      839           

Flag	Coverage Δ
oonidata	77.86% <ø> (ø)
oonipipeline	86.03% <100.00%> (+<0.01%)	⬆️

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