bug#22443: Subject: new snapshot available: grep-2.22.31-8b6a

[Paul Eggert]

My main qualm is Bug#22461. It'd be OK to issue 'grep' with that bug, I 
guess. I wish I had more time to look into it before the release, but on 
the other hand if I put in a bugfix now we'd have to test it. It's not a 
serious bug, just an annoyance (an extra "Binary file matches" line on 
input that does indeed contain binary data and a match, albeit a match 
that was in text and was properly reported as text).