GH-35909: [Go] Deprecate arrow.MapType.ValueField & arrow.MapType.ValueType methods

[candiduslynx]

Rationale for this change

Follow-up for #35885

What changes are included in this PR?

• Added ElemField() Field to arrow.ListLikeType interface
• Added ElemField() Field to arrow.MapType implementation
• Added deprecation notice to arrow.MapType.ValueField & arrow.MapType.ValueType
• Fixed a bug in go/arrow/array/map.go (NewMapBuilderWithType used ValueType instead of ItemType)

Are these changes tested?

Compile-time assertion for corresponding types.

Are there any user-facing changes?

• Added ElemField() Field to arrow.ListLikeType interface
• Added ElemField() Field to arrow.MapType implementation
• Added deprecation notice to arrow.MapType.ValueField & arrow.MapType.ValueType

• Closes: Deprecate arrow.MapType.ValueField & arrow.MapType.ValueType methods #35909

[candiduslynx]

@zeroshade I've marked the ValueX methods of MapType deprecated.
It also highlighted 1 bug in go/arrow/array/map.go (NewMapBuilderWithType used ValueType instead of ItemType)

[github-actions]

⚠️ GitHub issue #35909 has been automatically assigned in GitHub to PR creator.

[candiduslynx]

@zeroshade any chance to get an initial review today?

[zeroshade]

LGTM just one nit

[ursabot]

Benchmark runs are scheduled for baseline = 77d8bc5 and contender = daacbcc. daacbcc 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
[Finished ⬇️0.44% ⬆️0.0%] test-mac-arm
[Finished ⬇️0.33% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.3% ⬆️0.0%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] daacbcc4 ec2-t3-xlarge-us-east-2
[Finished] daacbcc4 test-mac-arm
[Finished] daacbcc4 ursa-i9-9960x
[Finished] daacbcc4 ursa-thinkcentre-m75q
[Finished] 77d8bc59 ec2-t3-xlarge-us-east-2
[Finished] 77d8bc59 test-mac-arm
[Finished] 77d8bc59 ursa-i9-9960x
[Finished] 77d8bc59 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