SMB2: server - basic write support

[gpotter2]

This PR:

• adds basic Write support in smbserver. Write isn't enabled by default.
• adds SMB2 SetInfo implementation
• remove a warning when using NTLM on cryptography 43+

[codecov]

Codecov Report

Attention: Patch coverage is 72.04301% with 26 lines in your changes are missing coverage. Please review.

Project coverage is 82.12%. Comparing base (e7ae05a) to head (7fe9da1).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4365      +/-   ##
==========================================
- Coverage   82.13%   82.12%   -0.02%     
==========================================
  Files         350      350              
  Lines       83136    83250     +114     
==========================================
+ Hits        68285    68366      +81     
- Misses      14851    14884      +33     

Files	Coverage Δ
scapy/error.py	97.05% <100.00%> (ø)
scapy/layers/ntlm.py	88.29% <100.00%> (+0.15%)	⬆️
scapy/layers/smb2.py	87.43% <80.00%> (-0.14%)	⬇️
scapy/layers/smbserver.py	71.12% <61.53%> (+0.54%)	⬆️

... and 10 files with indirect coverage changes

[gpotter2]

/packit build