refactor(s2n-quic-core): move ack::Transmission to core #4162

Job	Run time
env	11s
s2n-quic-qns (debug)	2m 8s
s2n-quic-qns (release)	7m 46s
bench	14m 26s
interop (aioquic, s2n-quic)	15m 11s
h3spec (s2n-tls)	14s
interop (chrome, s2n-quic)	3m 24s
h3spec (rustls)	15s
interop (kwik, s2n-quic)	11m 29s
interop (lsquic, s2n-quic)	10m 56s
perf (s2n-quic, s2n-quic)	1m 36s
interop (mvfst, s2n-quic)	10m 31s
perf (s2n-quic-null, s2n-quic-null)	1m 12s
interop (neqo, s2n-quic)	12m 38s
interop (ngtcp2, s2n-quic)	12m 58s
attack (udp)	5m 53s
interop (picoquic, s2n-quic)	13m 8s
interop (quic-go, s2n-quic)	10m 38s
interop (quiche, s2n-quic)	16m 35s
interop (quinn, s2n-quic)	10m 49s
interop (s2n-quic, aioquic)	11m 11s
interop (s2n-quic, haproxy)	9m 23s
interop (s2n-quic, kwik)	9m 43s
interop (s2n-quic, lsquic)	8m 51s
interop (s2n-quic, mvfst)	4m 15s
interop (s2n-quic, neqo)	11m 41s
interop (s2n-quic, nginx)	9m 24s
interop (s2n-quic, ngtcp2)	10m 35s
interop (s2n-quic, picoquic)	9m 15s
interop (s2n-quic, quic-go)	8m 8s
interop (s2n-quic, quiche)	9m 18s
interop (s2n-quic, quinn)	8m 38s
interop (s2n-quic, s2n-quic)	10m 9s
interop (s2n-quic, s2n-quic-rustls)	10m 54s
interop (s2n-quic, xquic)	3m 37s
interop (s2n-quic-rustls, s2n-quic)	9m 31s
interop (xquic, s2n-quic)	6m 56s
perf-report	21s
interop-report	18s
	5h 14m 6s

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