Automaton: support session in SuperSockets, minor other fixes

[gpotter2]

• Automaton: support session also in SuperSocket (like TLSClientAutomaton)
• Forward Machine: support more client TLS versions
• SNMP: add snmpget function

[codecov]

Codecov Report

❌ Patch coverage is 35.71429% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.27%. Comparing base (dcf69ed) to head (f8a23de).

Files with missing lines	Patch %	Lines
scapy/layers/snmp.py	22.22%	7 Missing ⚠️
scapy/automaton.py	75.00%	1 Missing ⚠️
scapy/fwdmachine.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4996      +/-   ##
==========================================
- Coverage   80.29%   80.27%   -0.02%     
==========================================
  Files         383      383              
  Lines       94739    94749      +10     
==========================================
- Hits        76067    76064       -3     
- Misses      18672    18685      +13     

Files with missing lines	Coverage Δ
scapy/automaton.py	80.32% <75.00%> (-0.04%)	⬇️
scapy/fwdmachine.py	0.00% <0.00%> (ø)
scapy/layers/snmp.py	84.37% <22.22%> (-4.06%)	⬇️

... and 7 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.