chore: support custom font size

[sharanyavinod]

Description

Required for adobe/da-nx#621

https://ewhead--da-live--adobe.aem.live/canvas?nx=ewhead#/exp-workspace/frescopa/coffee

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

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Commits

• ef1386d ✅ (latest)