Performance improvement in normalize_dedup_key()

[pwoods25443]

Improve performance of normalize_dedup_key() by ~3x by

• Use a pre-compiled regex
• Use xxhash instead of hashlib to compute the hash

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.68%. Comparing base (d834a28) to head (45aca56).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev      #63      +/-   ##
==========================================
- Coverage   98.68%   98.68%   -0.01%     
==========================================
  Files          33       33              
  Lines        1750     1748       -2     
==========================================
- Hits         1727     1725       -2     
  Misses         23       23              

Flag	Coverage Δ
unittests	98.68% <100.00%> (-0.01%)	⬇️

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