Bump OPA version from v0.70.0 to v1.0.1

[github-actions]

🗣 Description

• This pull request was created by a GitHub Action to bump ScubaGear's Open Policy Agent (OPA) executable version dependency.
• Please fill out the rest of the template that the Action did not cover.

💭 Motivation and context

• Bump to the latest OPA version v1.0.1

🧪 Testing

• Currently a human should still check if bumping the OPA version affects ScubaGear.

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• PR targets the correct parent branch (e.g., main or release-name) for merge.
• Changes are limited to a single goal - eschew scope creep!
• Changes are sized such that they do not touch excessive number of files.
• All future TODOs are captured in issues, which are referenced in code comments.
• These code changes follow the ScubaGear content style guide.
• Related issues these changes resolve are linked preferably via closing keywords.
• All relevant type-of-change labels added.
• All relevant project fields are set.
• All relevant repo and/or project documentation updated to reflect these changes.
• Unit tests added/updated to cover PowerShell and Rego changes.
• Functional tests added/updated to cover PowerShell and Rego changes.
• All relevant functional tests passed.
• All automated checks (e.g., linting, static analysis, unit/smoke tests) passed.

✅ Pre-merge checklist

• PR passed smoke test check.

• Feature branch has been rebased against changes from parent branch, as needed

  Use Rebase branch button below or use this reference to rebase from the command line.

• Resolved all merge conflicts on branch

• Notified merge coordinator that PR is ready for merge via comment mention

• Demonstrate changes to the team for questions and comments.
  (Note: Only required for issues of size Medium or larger)

✅ Post-merge checklist

• Feature branch deleted after merge to clean up repository.
• Verified that all checks pass on parent branch (e.g., main or release-name) after merge.

[mitchelbaker-cisa]

Ran with no errors for G5 interactively/noninteractively.
Ran with no errors for G3 interactively/noninteractively.
Ran with no errors for GCC high interactively/noninteractively.

[buidav]

Same behavior as v1.0.0 no functional issues with ScubaGear when running with v1.0.1.

Had issues personally with my terminal on one client hanging when trying to do the hash verification. No issues on another client. I chalk that up to isolated client issues.

[schrolla]

@nanda-katikaneni Ready for merge.