Update image-size to 1.2.1

[hawkishpolicy]

• resolve DoS vulnerability via Infinite Loop during Image Processing.

🗣 Description

• ran npm audit fix

💭 Motivation and context

• resolve high severity vulnerability
• security

🧪 Testing

• npm audit

✅ 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.

[rapidray12]

review in a group meeting