respect the request context when dialing

[marten-seemann]

No description provided.

[codecov]

Codecov Report

Merging #3359 (d3fab2a) into master (d4293fb) will increase coverage by 0.17%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3359      +/-   ##
==========================================
+ Coverage   85.57%   85.73%   +0.17%     
==========================================
  Files         135      135              
  Lines        9860     9940      +80     
==========================================
+ Hits         8437     8522      +85     
+ Misses       1046     1040       -6     
- Partials      377      378       +1     

Impacted Files	Coverage Δ
http3/roundtrip.go	97.73% <ø> (+4.39%)	⬆️
http3/client.go	89.29% <100.00%> (-0.06%)	⬇️
http3/error_codes.go	100.00% <0.00%> (ø)
http3/frames.go	82.29% <0.00%> (+4.21%)	⬆️
http3/request.go	98.77% <0.00%> (+6.17%)	⬆️
internal/utils/rand.go	75.00% <0.00%> (+12.50%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d4293fb...d3fab2a. Read the comment docs.