ARROW-17467: [Go] Aligned Bitmap Ops mess up the final byte when no t…

[zeroshade]

…railing bits

[github-actions]

https://issues.apache.org/jira/browse/ARROW-17467

[ursabot]

Benchmark runs are scheduled for baseline = 8c6d326 and contender = 4af3df0. 4af3df0 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 ⬇️0.43% ⬆️0.04%] test-mac-arm
[Failed ⬇️0.27% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.39% ⬆️0.11%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] 4af3df0c ec2-t3-xlarge-us-east-2
[Failed] 4af3df0c test-mac-arm
[Failed] 4af3df0c ursa-i9-9960x
[Finished] 4af3df0c ursa-thinkcentre-m75q
[Finished] 8c6d3263 ec2-t3-xlarge-us-east-2
[Failed] 8c6d3263 test-mac-arm
[Failed] 8c6d3263 ursa-i9-9960x
[Finished] 8c6d3263 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