arrow

ARROW-16428: [Release] Add prefix to ENV variables

We should not use ENV as variable name because it's used for sh:

dash(1):

> If the environment variable ENV is set on entry to an interactive
> shell, or is set in the .profile of a login shell, the shell next
> reads commands from the file named in ENV.

Closes #13039 from kou/verify-rc-add-prefix-to-env

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>