feat(s2n-quic-transport): Adds stream batching functionality #5184

Job	Run time
env	4s
s2n-quic-qns (debug)	2m 36s
s2n-quic-qns (release)	4m 31s
attack (udp)	5m 26s
perf (s2n-quic, s2n-quic)	1m 14s
h3spec (s2n-tls)	15s
perf (s2n-quic-null, s2n-quic-null)	59s
h3spec (rustls)	20s
interop (aioquic, s2n-quic)	17m 32s
interop (chrome, s2n-quic)	5m 26s
interop (go-x-net, s2n-quic)	14m 8s
interop (kwik, s2n-quic)	16m 9s
interop (lsquic, s2n-quic)	15m 17s
interop (msquic, s2n-quic)	18m 36s
interop (mvfst, s2n-quic)	13m 29s
interop (neqo, s2n-quic)	17m 20s
interop (ngtcp2, s2n-quic)	16m 30s
interop (picoquic, s2n-quic)	17m 16s
interop (quic-go, s2n-quic)	15m 29s
interop (quiche, s2n-quic)	19m 51s
interop (quinn, s2n-quic)	16m 11s
interop (s2n-quic, aioquic)	16m 0s
interop (s2n-quic, go-x-net)	11m 50s
interop (s2n-quic, haproxy)	12m 46s
interop (s2n-quic, kwik)	13m 11s
interop (s2n-quic, lsquic)	13m 32s
interop (s2n-quic, msquic)	15m 19s
interop (s2n-quic, mvfst)	13m 37s
interop (s2n-quic, neqo)	14m 52s
interop (s2n-quic, nginx)	11m 6s
interop (s2n-quic, ngtcp2)	15m 1s
interop (s2n-quic, picoquic)	14m 56s
interop (s2n-quic, quic-go)	15m 24s
interop (s2n-quic, quiche)	11m 25s
interop (s2n-quic, quinn)	14m 21s
interop (s2n-quic, s2n-quic)	14m 39s
interop (s2n-quic, s2n-quic-rustls)	14m 29s
interop (s2n-quic, xquic)	5m 47s
interop (s2n-quic-rustls, s2n-quic)	15m 0s
interop (xquic, s2n-quic)	9m 22s
perf-report	14s
interop-report	18s
	7h 51m 48s

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