safe.bareRepository: default to "explicit" with WITH_BREAKING_CHANGES #27037

Job	Run time
config	8s
fuzz smoke test	1m 18s
sparse	3m 29s
osx-clang (macos-14)	20m 8s
osx-meson (macos-14)	24m 27s
rust-analysis	1m 55s
win+Meson build	6m 19s
win build	5m 30s
osx-gcc (macos-14)	20m 6s
osx-reftable (macos-14)	20m 20s
linux-leaks (ubuntu:rolling)	28m 48s
documentation	7m 30s
static-analysis	5m 21s
linux-TEST-vars (ubuntu:20.04)	14m 10s
debian-11 (debian:11)	10m 48s
fedora-breaking-changes-meson (fedora:latest)	10m 50s
linux-sha256 (ubuntu:rolling)	13m 53s
linux-reftable (ubuntu:rolling)	14m 42s
linux-asan-ubsan (ubuntu:rolling)	36m 40s
win+VS build	0s
linux32 (i386/ubuntu:focal)	11m 0s
linux-breaking-changes (ubuntu:rolling)	14m 0s
linux-musl-meson (alpine:latest)	8m 45s
linux-meson (ubuntu:rolling)	15m 11s
linux-reftable-leaks (ubuntu:rolling)	30m 13s
almalinux-8 (almalinux:8)	11m 53s
win+VS test	0s
win test (5)	6m 48s
win test (6)	7m 39s
win test (3)	7m 40s
win test (0)	7m 54s
win test (4)	10m 18s
win test (9)	11m 28s
win test (1)	7m 3s
win test (7)	5m 51s
win test (8)	5m 6s
win test (2)	8m 31s
win+Meson test (9)	7m 42s
win+Meson test (5)	7m 20s
win+Meson test (4)	6m 9s
win+Meson test (2)	9m 1s
win+Meson test (0)	6m 21s
win+Meson test (6)	15m 44s
win+Meson test (1)	8m 5s
win+Meson test (7)	11m 36s
win+Meson test (3)	6m 52s
win+Meson test (8)	11m 55s
	8h 26m 27s

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