[VOTE][RESULT] Set a buffer time before we upgrade to the latest version of dependencies

[Tian Gao via dev]

The vote passes with 18 +1s (12 binding). The policy will start immediately
and we will explore ways to notify and enforce this in our repo.

Thanks!

+1: (* = binding)
Szehon Ho
Yicong Huang
Hyukjin Kwon*
DB Tsai*
Yuming Wang*
Wenchen Fan*
Yang Jie*
Steve Loughran
Kousuke Saruta*
Cheng Pan
Mark Hamstra*
Jungtaek Lim
Peter Toth
Dongjoon Hyun*
Xiao Li*
Gengliang Wang*
L.C. Hsieh*
Max Gekk*

0:
None

-1:
None