[RFC] set LC_TIME even if locale dir is not present #28834

Job	Run time
config	6s
fuzz smoke test	1m 15s
win+Meson build	3m 36s
documentation	7m 35s
rust-analysis	1m 33s
osx-gcc (macos-14)	33m 16s
osx-meson (macos-14)	57m 3s
win build	5m 6s
static-analysis	6m 5s
sparse	3m 20s
osx-reftable (macos-14)	27m 8s
osx-clang (macos-14)	31m 58s
almalinux-8 (almalinux:8)	20m 22s
linux-musl-meson (alpine:latest)	18m 1s
linux32 (i386/ubuntu:20.04)	6h 0m 3s
linux-reftable (ubuntu:rolling)	23m 50s
fedora-breaking-changes-meson (fedora:latest)	18m 47s
linux-sha256 (ubuntu:rolling)	28m 27s
linux-TEST-vars (ubuntu:20.04)	23m 45s
debian-11 (debian:11)	25m 15s
linux-asan-ubsan (ubuntu:rolling)	53m 40s
linux-meson (ubuntu:rolling)	21m 3s
linux-breaking-changes (ubuntu:rolling)	24m 18s
linux-reftable-leaks (ubuntu:rolling)	46m 15s
linux-leaks (ubuntu:rolling)	57m 7s
win+VS build	-1s
win+VS test	-1s
win+Meson test (0)	8m 2s
win+Meson test (1)	7m 36s
win+Meson test (3)	11m 21s
win+Meson test (2)	58m 28s
win+Meson test (7)	8m 2s
win+Meson test (6)	13m 21s
win+Meson test (8)	10m 32s
win+Meson test (4)	29m 44s
win+Meson test (5)	8m 44s
win+Meson test (9)	6m 49s
win test (1)	7m 34s
win test (0)	11m 35s
win test (9)	5m 58s
win test (3)	11m 10s
win test (7)	7m 32s
win test (4)	1h 0m 18s
win test (2)	7m 25s
win test (6)	18m 45s
win test (5)	10m 13s
win test (8)	7m 2s
	20h 9m 3s

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