netbsd-arm{,64}-bsiegert builders may go offline temporarily

[Benny Siegert]

Hi!

Due to electrical work in my house, I may need to shut down the three
netbsd-arm and -arm64 build machines over the next few days. The
disruption should be over by Thursday.

Thank you for your understanding.

--
Benny

[ame...@google.com]

Thanks for the heads up.