PA-1842: Update s12 proto to add prefix support

[bhargysh-sc]

Summary

Bump s12 proto to pull in new validator for string (prefix).

Problem description

As part of post-release of https://github.com/SafetyCulture/s12-proto/releases/tag/v1.37.0 following this doc

Pros/cons of approach implemented

Checklist

• Is this PR a reasonable size?

• List deployment sequence with all relevant PRs.
  • ...

• For breaking changes: I have confirmed that other repos are not affected, or I have planned a deployment sequence to address any impact.

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