Add HTTP/3 to mapping in property version (HTTPResponse)

[Ousret]

Also, prefer HTTP/2 instead of HTTP/2.0

Help #1512

Note: pygment HTTPLexer support HTTP/2.0 and HTTP/2, but not HTTP/3.0 (only HTTP/3)
The correct thing to do is to support HTTP/2 short.

[codecov-commenter]

Codecov Report

Patch coverage: 90.24% and project coverage change: -3.02 ⚠️

Comparison is base (4d7d6b6) 97.28% compared to head (7902bdd) 94.26%.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1513      +/-   ##
==========================================
- Coverage   97.28%   94.26%   -3.02%     
==========================================
  Files          67      113      +46     
  Lines        4235     7695    +3460     
==========================================
+ Hits         4120     7254    +3134     
- Misses        115      441     +326     

Impacted Files	Coverage Δ
httpie/output/ui/man_pages.py	0.00% <0.00%> (ø)
httpie/output/ui/rich_utils.py	0.00% <0.00%> (ø)
tests/test_binary.py	100.00% <ø> (ø)
tests/test_sessions.py	99.70% <ø> (-0.30%)	⬇️
tests/test_ssl.py	92.59% <ø> (-2.35%)	⬇️
tests/test_stream.py	100.00% <ø> (ø)
tests/test_tokens.py	100.00% <ø> (ø)
tests/test_update_warnings.py	99.14% <ø> (ø)
tests/test_uploads.py	96.70% <ø> (-3.30%)	⬇️
tests/test_xml.py	97.56% <ø> (-0.06%)	⬇️
... and 88 more

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[Ousret]

Superseded by #1531