Adds WebTransport over HTTP/3 support

[SimaoMoreira5228]

Enables handling of WebTransport sessions, uni- and bidirectional streams, and updates dependencies and Bazel integration for WebTransport crate. should solve CLOUD-38

[codecov]

Codecov Report

❌ Patch coverage is 15.38462% with 264 lines in your changes missing coverage. Please review.
✅ Project coverage is 8.42%. Comparing base (b04a6b6) to head (737074f).

Files with missing lines	Patch %	Lines
crates/http/src/backend/h3/webtransport.rs	0.00%	205 Missing ⚠️
crates/http/src/backend/h3.rs	42.10%	44 Missing ⚠️
crates/http/src/server.rs	57.14%	12 Missing ⚠️
crates/http/src/body.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #621       +/-   ##
==========================================
- Coverage   61.66%   8.42%   -53.24%     
==========================================
  Files         385     153      -232     
  Lines       31081   12375    -18706     
==========================================
- Hits        19165    1043    -18122     
+ Misses      11916   11332      -584     

Files with missing lines	Coverage Δ
crates/http/src/extensions.rs	50.00% <ø> (ø)
crates/http/src/body.rs	80.70% <0.00%> (-4.49%)	⬇️
crates/http/src/server.rs	88.13% <57.14%> (-9.83%)	⬇️
crates/http/src/backend/h3.rs	64.55% <42.10%> (-22.70%)	⬇️
crates/http/src/backend/h3/webtransport.rs	0.00% <0.00%> (ø)

... and 316 files with indirect coverage changes

Components	Coverage Δ
scuffle-aac	∅ <ø> (∅)
scuffle-amf0	0.00% <ø> (-90.32%)	⬇️
scuffle-av1	∅ <ø> (∅)
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scuffle-bootstrap	0.00% <ø> (-82.92%)	⬇️
scuffle-bytes-util	0.00% <ø> (-96.71%)	⬇️
scuffle-context	80.60% <ø> (-19.40%)	⬇️
scuffle-expgolomb	∅ <ø> (∅)
scuffle-ffmpeg	∅ <ø> (∅)
scuffle-flv	∅ <ø> (∅)
scuffle-future-ext	100.00% <ø> (+50.00%)	⬆️
nutype-enum	∅ <ø> (∅)
scuffle-h264	∅ <ø> (∅)
scuffle-http	61.06% <15.38%> (-25.49%)	⬇️
scuffle-metrics	50.87% <ø> (-44.16%)	⬇️
postcompile	∅ <ø> (∅)
scuffle-pprof	100.00% <ø> (ø)
scuffle-rtmp	0.00% <ø> (-90.89%)	⬇️
scuffle-settings	∅ <ø> (∅)
scuffle-signal	∅ <ø> (∅)

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[TroyKomodo]

This looks good, are there no webtransport rust client implementations?

[TroyKomodo]

Perhaps we could do tests with https://docs.rs/web-transport/latest/web_transport/struct.Client.html

[lennartkloock]

Perhaps we could do tests with https://docs.rs/web-transport/latest/web_transport/struct.Client.html

Sounds good, in this PR or should I create a ticket for it?

[TroyKomodo]

Perhaps we could do tests with docs.rs/web-transport/latest/web_transport/struct.Client.html

Sounds good, in this PR or should I create a ticket for it?

This pr perhaps @SimaoMoreira5228 can do it?