fix(utils): Port StringArrayUtils from set-v2-strategies [SIM-124]

[cgewecke]

• Ports StringArrayUtils (similar to AddressArrayUtils) from set-v2-strategies

This is a core library we should maintain here and import at the periphery as needed.

cf: set-v2-strategies 22

[cgewecke]

:tada: This PR is included in version 0.3.2-hhat.1 :tada:

The release is available on:

• npm package (@hardhat dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: