Add hybrid PQC KEM groups

[povilasb]

Adds some declarations I found useful when inspecting the TLS 1.3 traffic.

https://en.wikipedia.org/wiki/Post-quantum_cryptography#Hybrid_encryption

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.79%. Comparing base (4296eee) to head (46e8afd).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4860      +/-   ##
==========================================
- Coverage   80.88%   80.79%   -0.10%     
==========================================
  Files         368      368              
  Lines       90335    90339       +4     
==========================================
- Hits        73069    72988      -81     
- Misses      17266    17351      +85     

Files with missing lines	Coverage Δ
scapy/layers/tls/crypto/groups.py	95.62% <100.00%> (+0.06%)	⬆️

... and 12 files with indirect coverage changes

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