revision: use priority queue for streaming walks #28021

Job	Run time
config	9s
fuzz smoke test	1m 15s
win build	5m 16s
rust-analysis	1m 30s
win+Meson build	4m 43s
static-analysis	6m 22s
sparse	3m 38s
osx-clang (macos-14)	1h 15m 57s
documentation	7m 16s
osx-gcc (macos-14)	1h 15m 57s
linux-musl-meson (alpine:latest)	23m 35s
almalinux-8 (almalinux:8)	19m 43s
fedora-breaking-changes-meson (fedora:latest)	20m 58s
linux-meson (ubuntu:rolling)	19m 30s
win+VS build	0s
debian-11 (debian:11)	26m 42s
linux-leaks (ubuntu:rolling)	49m 6s
osx-reftable (macos-14)	37m 7s
linux-reftable-leaks (ubuntu:rolling)	6m 51s
osx-meson (macos-14)	1h 15m 57s
linux-TEST-vars (ubuntu:20.04)	2m 22s
linux-reftable (ubuntu:rolling)	23s
linux-sha256 (ubuntu:rolling)	2m 5s
linux-breaking-changes (ubuntu:rolling)	18m 41s
linux32 (i386/ubuntu:focal)	10s
linux-asan-ubsan (ubuntu:rolling)	11m 28s
win+VS test	0s
win+Meson test (1)	9m 19s
win+Meson test (6)	13m 15s
win+Meson test (4)	7m 13s
win+Meson test (0)	7m 24s
win+Meson test (8)	9m 39s
win+Meson test (2)	31m 43s
win+Meson test (3)	9m 36s
win+Meson test (5)	8m 26s
win+Meson test (7)	6m 44s
win+Meson test (9)	6m 38s
win test (3)	29m 47s
win test (7)	6m 51s
win test (6)	8m 5s
win test (2)	10m 28s
win test (9)	4m 46s
win test (4)	15m 28s
win test (0)	12m 19s
win test (8)	6m 46s
win test (1)	7m 10s
win test (5)	11m 46s
	12h 0m 4s

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