Add Natural Sort to Filter Tags (CRASM-2342)

[hawkishpolicy]

• Add natural sort to Region ID filter tags.
• "1", "10", "2" is now "1", "2", "10".

🗣 Description

• Converted Region ID strings to numbers for sorting.

💭 Motivation and context

• Closes CRASM-2342

🧪 Testing

• tested locally

📷 Screenshots (if appropriate)

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• Changes are limited to a single goal - eschew scope creep!
• All relevant type-of-change labels have been added.
• I have read the CONTRIBUTING document.
• These code changes follow cisagov code standards.
• All new and existing tests pass.

✅ Pre-merge checklist

• Revert dependencies to default branches.
• Finalize version.

✅ Post-merge checklist

• Create a release.