Suggest the intended form when a remote/branch slip is given #28390

Job	Run time
config	9s
fuzz smoke test	1m 29s
win+Meson build	13s
win build	13s
static-analysis	13s
win+VS build	0s
documentation	13s
osx-reftable (macos-14)	13s
osx-clang (macos-14)	13s
osx-gcc (macos-14)	13s
osx-meson (macos-14)	13s
sparse	24s
rust-analysis	13s
linux-leaks (ubuntu:rolling)	13s
linux-asan-ubsan (ubuntu:rolling)	13s
linux-reftable (ubuntu:rolling)	13s
linux-meson (ubuntu:rolling)	13s
linux-musl-meson (alpine:latest)	13s
fedora-breaking-changes-meson (fedora:latest)	13s
linux32 (i386/ubuntu:focal)	13s
linux-reftable-leaks (ubuntu:rolling)	13s
linux-breaking-changes (ubuntu:rolling)	13s
linux-sha256 (ubuntu:rolling)	13s
debian-11 (debian:11)	13s
almalinux-8 (almalinux:8)	13s
linux-TEST-vars (ubuntu:20.04)	13s
win+VS test	-1s
win test	0s
win+Meson test	0s
	6m 47s

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