[Format] Add string view type to the arrow format

[bkietz]

Describe the enhancement requested

Adding an issue to GH to track adding string view to the arrow format, as discussed on this ML thread https://lists.apache.org/thread/49qzofswg1r5z7zh39pjvd1m2ggz2kdq

Current ML discussion at https://lists.apache.org/thread/w88tpz76ox8h3rxkjl4so6rg3f1rv7wt

Component(s)

C++, Format, Integration

[bkietz]

Vote thread:

https://lists.apache.org/thread/wt9j3q7qd59cz44kyh1zkts8s6wo1dn6