feat(s2n-quic-qns): add ability to set congestion controller in interop/perf #3533

Job	Run time
env	7s
quinn	4m 6s
s2n-quic-qns (debug)	4m 43s
s2n-quic-qns (release)	13m 29s
bench	17m 20s
perf (quinn, s2n-quic)	3m 22s
perf (s2n-quic, s2n-quic)	3m 23s
perf (s2n-quic-null, s2n-quic-null)	1m 47s
h3spec (s2n-tls)	5s
h3spec (rustls)	12s
interop (aioquic, s2n-quic)	19m 56s
interop (chrome, s2n-quic)	3m 36s
interop (kwik, s2n-quic)	11m 31s
interop (lsquic, s2n-quic)	11m 46s
interop (msquic, s2n-quic)	19m 10s
interop (mvfst, s2n-quic)	9m 16s
interop (neqo, s2n-quic)	14m 57s
interop (ngtcp2, s2n-quic)	19m 44s
interop (picoquic, s2n-quic)	15m 7s
interop (quic-go, s2n-quic)	15m 25s
interop (quiche, s2n-quic)	14m 36s
interop (quinn, s2n-quic)	15m 55s
interop (s2n-quic, aioquic)	13m 8s
interop (s2n-quic, haproxy)	11m 22s
interop (s2n-quic, kwik)	10m 49s
interop (s2n-quic, lsquic)	12m 10s
interop (s2n-quic, msquic)	6m 34s
interop (s2n-quic, mvfst)	5m 12s
interop (s2n-quic, neqo)	14m 18s
interop (s2n-quic, nginx)	9m 20s
interop (s2n-quic, ngtcp2)	11m 56s
interop (s2n-quic, picoquic)	11m 15s
interop (s2n-quic, quic-go)	10m 26s
interop (s2n-quic, quiche)	9m 15s
interop (s2n-quic, quinn)	10m 56s
interop (s2n-quic, s2n-quic)	12m 28s
interop (s2n-quic, s2n-quic-rustls)	10m 25s
interop (s2n-quic, xquic)	4m 23s
interop (s2n-quic-rustls, s2n-quic)	14m 48s
interop (xquic, s2n-quic)	8m 22s
attack (udp)	8m 13s
perf-report	22s
interop-report	44s
	6h 55m 59s

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