feat(s2n-quic-core): add aggregate metrics support #4987

Job	Run time
env	7s
s2n-quic-qns (debug)	2m 37s
s2n-quic-qns (release)	6m 44s
bench	18m 46s
h3spec (s2n-tls)	15s
h3spec (rustls)	19s
interop (aioquic, s2n-quic)	16m 33s
attack (udp)	5m 36s
interop (chrome, s2n-quic)	5m 27s
perf (s2n-quic, s2n-quic)	1m 25s
interop (go-x-net, s2n-quic)	11m 54s
perf (s2n-quic-null, s2n-quic-null)	58s
interop (kwik, s2n-quic)	14m 20s
interop (lsquic, s2n-quic)	13m 24s
interop (msquic, s2n-quic)	16m 49s
interop (mvfst, s2n-quic)	11m 28s
interop (neqo, s2n-quic)	15m 37s
interop (ngtcp2, s2n-quic)	14m 11s
interop (picoquic, s2n-quic)	15m 47s
interop (quic-go, s2n-quic)	13m 8s
interop (quiche, s2n-quic)	20m 18s
interop (quinn, s2n-quic)	13m 43s
interop (s2n-quic, aioquic)	13m 30s
interop (s2n-quic, go-x-net)	11m 17s
interop (s2n-quic, haproxy)	11m 9s
interop (s2n-quic, kwik)	13m 3s
interop (s2n-quic, lsquic)	11m 27s
interop (s2n-quic, msquic)	11m 4s
interop (s2n-quic, mvfst)	10m 27s
interop (s2n-quic, neqo)	12m 50s
interop (s2n-quic, nginx)	10m 56s
interop (s2n-quic, ngtcp2)	16m 54s
interop (s2n-quic, picoquic)	12m 18s
interop (s2n-quic, quic-go)	11m 14s
interop (s2n-quic, quiche)	11m 10s
interop (s2n-quic, quinn)	12m 20s
interop (s2n-quic, s2n-quic)	13m 35s
interop (s2n-quic, s2n-quic-rustls)	12m 55s
interop (s2n-quic, xquic)	5m 22s
interop (s2n-quic-rustls, s2n-quic)	12m 9s
interop (xquic, s2n-quic)	9m 47s
perf-report	10s
interop-report	15s
	7h 23m 18s

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