quic: add listEndpoints API #7180

Job	Run time
Build slim tarball	1m 0s
aarch64-linux: Cache V8 build	28s
x86_64-darwin: with shared libraries	38m 19s
x86_64-linux: with shared libraries	30m 45s
aarch64-darwin: with shared libraries	25m 50s
aarch64-linux: with shared openssl-3.0.19	26m 4s
aarch64-linux: with shared openssl-1.1.1w	25m 39s
aarch64-linux: with shared openssl-3.6.1	26m 5s
aarch64-linux: with shared boringssl-0.20260413.0	26m 2s
aarch64-linux: with shared openssl-4.0.0	25m 33s
aarch64-linux: with shared openssl-3.5.5	25m 37s
	4h 11m 22s

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