t: add greplint.pl and convert grep to test_grep #28250

Job	Run time
config	7s
fuzz smoke test	1m 20s
win+Meson build	4m 4s
win build	4m 57s
static-analysis	6m 6s
sparse	3m 37s
osx-clang (macos-14)	39m 1s
rust-analysis	1m 35s
osx-reftable (macos-14)	30m 52s
documentation	7m 25s
osx-gcc (macos-14)	6h 0m 17s
osx-meson (macos-14)	55m 17s
win+VS build	0s
linux-asan-ubsan (ubuntu:rolling)	1h 8m 45s
linux-leaks (ubuntu:rolling)	11s
almalinux-8 (almalinux:8)	20m 51s
linux-reftable (ubuntu:rolling)	21m 57s
linux-musl-meson (alpine:latest)	21m 17s
linux-reftable-leaks (ubuntu:rolling)	48m 39s
linux-meson (ubuntu:rolling)	9s
debian-11 (debian:11)	25m 52s
linux32 (i386/ubuntu:focal)	6h 0m 4s
linux-sha256 (ubuntu:rolling)	25m 10s
linux-breaking-changes (ubuntu:rolling)	24m 38s
linux-TEST-vars (ubuntu:20.04)	24m 11s
fedora-breaking-changes-meson (fedora:latest)	18m 4s
win+VS test	-1s
win+Meson test (0)	9m 13s
win+Meson test (1)	10m 2s
win+Meson test (8)	9m 48s
win+Meson test (5)	9m 20s
win+Meson test (4)	7m 49s
win+Meson test (2)	1h 0m 45s
win+Meson test (3)	10m 44s
win+Meson test (7)	7m 4s
win+Meson test (9)	6m 25s
win+Meson test (6)	14m 3s
win test (0)	11m 45s
win test (6)	19m 37s
win test (3)	11m 13s
win test (4)	3m 54s
win test (8)	5m 14s
win test (9)	7m 4s
win test (7)	7m 19s
win test (1)	6m 14s
win test (2)	1h 0m 37s
win test (5)	11m 20s
	1d 0h 23m 55s

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