smb: New keyword smb.version v5

[zer1t0]

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• [X] I have read the contributing guide lines at https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Contributing
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Link to redmine ticket: https://redmine.openinfosecfoundation.org/issues/5075

Describe changes:

• New keyword smb.version added, which allows to match the packets of specif version of smb, that can be 1 or 2.
• Documentation for the keyword added (created SMB keyword documentation)

Example of rule alert smb any any -> any any (msg: "SMBv2 message"; smb.version: 2; sid: 1;) . More examples in documentation.

suricata-verify-pr: 740

[codecov[bot]]

Codecov Report

Merging #7336 (421a5ad) into master (2ebb525) will decrease coverage by 1.91%. The diff coverage is 77.27%.

@@            Coverage Diff             @@
##           master    #7336      +/-   ##
==========================================
- Coverage   77.68%   75.77%   -1.92%     
==========================================
  Files         628      657      +29     
  Lines      185657   190109    +4452     
==========================================
- Hits       144232   144046     -186     
- Misses      41425    46063    +4638     

Flag	Coverage Δ
fuzzcorpus	60.25% <30.00%> (+2.20%)	:arrow_up:
suricata-verify	51.58% <82.92%> (-2.87%)	:arrow_down:
unittests	61.01% <32.43%> (-2.03%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

[victorjulien]

Closing due to inactivity. If you're interested in picking this back up, please open a new PR addressing the comments. Thanks!