p2p: fix http RoundTripper

[algorandskiy]

Summary

Catchpoint downloading uses http.Client with http.Request's context with timeout set to MaxCatchpointDownloadDuration=43200 seconds. If p2p nodes do not respond, this context never expires so that http.Client waits for MaxCatchpointDownloadDuration.
Fixed by copying libp2phttp.streamRoundTripper.RoundTrip but using sensible context with timeout on NewStream call.

Closes #6265

Test Plan

Tested manually with catchpointdump and goal node catchup:

• catchpointdump successfully exits when run agains a node that does not respond
• p2p-only algod was fully caught up in under 2h

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 44 lines in your changes missing coverage. Please review.

Project coverage is 51.78%. Comparing base (d44aa2d) to head (b7876cc).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
network/p2p/http.go	0.00%	44 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6267      +/-   ##
==========================================
- Coverage   51.80%   51.78%   -0.03%     
==========================================
  Files         644      644              
  Lines       86655    86697      +42     
==========================================
+ Hits        44893    44895       +2     
- Misses      38897    38936      +39     
- Partials     2865     2866       +1     

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[cce]

Helpful for review: https://github.com/libp2p/go-libp2p/blob/5e6f217d847e7c1c3f98197a54c9503d0303a7bb/p2p/http/libp2phttp.go#L454-L544

admin

[algorandskiy]

Submitted a PR into upstream libp2p/go-libp2p#3225
If it is taken in some form then can remove this workaround.