quic: add listEndpoints API #7177

Job	Run time
Build slim tarball	1m 16s
aarch64-linux: Cache V8 build	21s
x86_64-linux: with shared libraries	13m 36s
x86_64-darwin: with shared libraries	13m 47s
aarch64-darwin: with shared libraries	13m 38s
aarch64-linux: with shared openssl-3.0.19	13m 12s
aarch64-linux: with shared openssl-3.5.5	13m 12s
aarch64-linux: with shared openssl-3.6.1	13m 12s
aarch64-linux: with shared openssl-4.0.0	13m 12s
aarch64-linux: with shared boringssl-0.20260413.0	13m 12s
aarch64-linux: with shared openssl-1.1.1w	13m 13s
	2h 1m 51s

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