Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• Unit tests (npm test) were run locally and passed
• E2E Tests (npm run test.karma.prod) were run locally and passed
• Prettier (npm run prettier) was run locally and passed

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

We're on Prettier v2.4.0. A new(ish) minor version is out, let's upgrade it!

GitHub Issue Number: N/A

What is the new behavior?

update prettier to the latest available version of the library, v2.5.1.
continue to use exact version in package.json to prevent accidental
formatting regressions/differences between users

Does this introduce a breaking change?

• Yes
• No

Testing

Ran npm run prettier locally to verify no changes to the codebase would occur

Other information