introduce type aliases in the logging package

[marten-seemann]

This covers all types. It also introduces type aliases for the wire.Frames. STREAM and CRYPTO frames are redefined, so that the logging package doesn't get access to the data sent.

[codecov]

Codecov Report

Merging #2643 into master will increase coverage by 0.05%.
The diff coverage is 90.57%.

@@            Coverage Diff             @@
##           master    #2643      +/-   ##
==========================================
+ Coverage   86.32%   86.37%   +0.05%     
==========================================
  Files         122      122              
  Lines        9754     9757       +3     
==========================================
+ Hits         8420     8427       +7     
+ Misses        999      995       -4     
  Partials      335      335              

Impacted Files	Coverage Δ
qlog/types.go	84.92% <80.00%> (-2.67%)	⬇️
session.go	76.67% <83.33%> (+0.07%)	⬆️
internal/logutils/frame.go	100.00% <100.00%> (ø)
logging/packet_header.go	100.00% <100.00%> (ø)
qlog/event.go	95.98% <100.00%> (ø)
qlog/frame.go	98.54% <100.00%> (-0.15%)	⬇️
qlog/packet_header.go	94.87% <100.00%> (+0.28%)	⬆️
qlog/qlog.go	93.73% <100.00%> (ø)

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