ARROW-18122: [Release][Dev] Update expected vote e-mail

[kou]

This is a follow-up of #14471.

[github-actions]

https://issues.apache.org/jira/browse/ARROW-18122

[kou]

+1

[ursabot]

Benchmark runs are scheduled for baseline = 7ad4ced and contender = 286c263. 286c263 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Finished ⬇️0.0% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Failed ⬇️0.0% ⬆️0.0%] test-mac-arm
[Finished ⬇️0.0% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.11% ⬆️0.0%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] 286c2634 ec2-t3-xlarge-us-east-2
[Failed] 286c2634 test-mac-arm
[Finished] 286c2634 ursa-i9-9960x
[Finished] 286c2634 ursa-thinkcentre-m75q
[Finished] 7ad4ced6 ec2-t3-xlarge-us-east-2
[Failed] 7ad4ced6 test-mac-arm
[Finished] 7ad4ced6 ursa-i9-9960x
[Finished] 7ad4ced6 ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java