Update Default OPA Version

[rlxdev]

Prerequisites

• This issue has an informative and human-readable title.

💡 Summary

Modify OPA_VERSION in scuba_constants.py to change the version to 1.13.1, which is currently the latest release.

Motivation and context

The default version is currently 1.0.1, which is over 20 releases behind the current OPA release.

Implementation notes

The OPA test workflow uses the latest OPA version, so we have already used it to run through the unit tests.

Acceptance criteria

OPA v1.13.1 is downloaded by ScubaGoggles by default.