Fix SCTP chunk validation

[sirzooro]

Some chunks were not validated properly what could cause crash.

[codecov]

Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 81.48%. Comparing base (e23ff7a) to head (01e2c6b).

Files	Patch %	Lines
error_cause_header.go	0.00%	1 Missing and 1 partial ⚠️
param_requested_hmac_algorithm.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #339      +/-   ##
==========================================
- Coverage   81.64%   81.48%   -0.16%     
==========================================
  Files          51       51              
  Lines        3323     3327       +4     
==========================================
- Hits         2713     2711       -2     
- Misses        468      471       +3     
- Partials      142      145       +3     

Flag	Coverage Δ
go	81.48% <20.00%> (-0.16%)	⬇️
wasm	67.59% <0.00%> (-0.09%)	⬇️

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[boks1971]

LGTM