fail the handshake if the quic_transport_parameter extension is missing

[marten-seemann]

Fixes #2800.

[codecov]

Codecov Report

Merging #2804 into master will decrease coverage by 0.02%.
The diff coverage is 40.00%.

@@            Coverage Diff             @@
##           master    #2804      +/-   ##
==========================================
- Coverage   86.02%   85.99%   -0.02%     
==========================================
  Files         133      133              
  Lines       12063    12067       +4     
==========================================
+ Hits        10376    10377       +1     
- Misses       1355     1356       +1     
- Partials      332      334       +2     

Impacted Files	Coverage Δ
internal/handshake/crypto_setup.go	65.79% <40.00%> (-0.33%)	⬇️

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