Add like_utf8_scalar_dyn kernel

[viirya]

Which issue does this PR close?

Closes #3145.

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

[tustvold]

I presume you intend to add support for nlike and ilike as a follow up?

I also note that we don't actually have the non-scalar versions, e.g. like_dyn, ilike_dyn, etc...

[viirya]

I presume you intend to add support for nlike and ilike as a follow up?

I also note that we don't actually have the non-scalar versions, e.g. like_dyn, ilike_dyn, etc...

Yes. I plan to add these supports including non-scalar versions in some spare time.

[ursabot]

Benchmark runs are scheduled for baseline = 528a072 and contender = de05308. de05308 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-rs-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
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