feat(s2n-quic-core): implement nominal timers #5009

Job	Run time
env	7s
s2n-quic-qns (debug)	2m 25s
s2n-quic-qns (release)	6m 43s
attack (udp)	5m 25s
bench	17m 56s
h3spec (s2n-tls)	19s
h3spec (rustls)	14s
interop (aioquic, s2n-quic)	15m 58s
perf (s2n-quic, s2n-quic)	1m 19s
interop (chrome, s2n-quic)	5m 17s
perf (s2n-quic-null, s2n-quic-null)	55s
interop (go-x-net, s2n-quic)	12m 1s
interop (kwik, s2n-quic)	14m 23s
interop (lsquic, s2n-quic)	14m 3s
interop (msquic, s2n-quic)	17m 9s
interop (mvfst, s2n-quic)	11m 20s
interop (neqo, s2n-quic)	15m 55s
interop (ngtcp2, s2n-quic)	14m 13s
interop (picoquic, s2n-quic)	15m 28s
interop (quic-go, s2n-quic)	12m 52s
interop (quiche, s2n-quic)	18m 34s
interop (quinn, s2n-quic)	14m 44s
interop (s2n-quic, aioquic)	13m 7s
interop (s2n-quic, go-x-net)	11m 6s
interop (s2n-quic, haproxy)	11m 13s
interop (s2n-quic, kwik)	13m 11s
interop (s2n-quic, lsquic)	11m 12s
interop (s2n-quic, msquic)	12m 32s
interop (s2n-quic, mvfst)	10m 0s
interop (s2n-quic, neqo)	12m 52s
interop (s2n-quic, nginx)	10m 45s
interop (s2n-quic, ngtcp2)	12m 52s
interop (s2n-quic, picoquic)	11m 59s
interop (s2n-quic, quic-go)	10m 42s
interop (s2n-quic, quiche)	10m 39s
interop (s2n-quic, quinn)	11m 49s
interop (s2n-quic, s2n-quic)	12m 24s
interop (s2n-quic, s2n-quic-rustls)	12m 42s
interop (s2n-quic, xquic)	5m 24s
interop (s2n-quic-rustls, s2n-quic)	12m 14s
interop (xquic, s2n-quic)	10m 46s
perf-report	10s
interop-report	14s
	7h 15m 13s

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