This is a subtask of ARROW-8991 in order to track that this is a 32-bit version of the scalar_hash function. ARROW-8991 can be treated as an overall task to track if we want other versions of the function or additional kernels and options.

Reporter: Aldrin Montana / @drin
Assignee: Aldrin Montana / @drin

PRs and other links:

• GitHub Pull Request #13487

_{Note: This issue was originally created as ARROW-16945. Please see the migration documentation for further details.}