Replace all f-strings to use .format

[JCantu248]

🗣 Description

Replace all Python f-strings to use the .format() method for formatting.

💭 Motivation and context

In the interest of security against injection attacks, all Python f-strings have been replaced with their equivalent with the format() method.

🧪 Testing

Tested by rebuilding the entire project, and running the entire PyTest suite.

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• Changes are limited to a single goal - eschew scope creep!
• All future TODOs are captured in issues, which are referenced
  in code comments.
• All relevant type-of-change labels have been added.
• I have read the CONTRIBUTING document.
• These code changes follow cisagov code standards.
• All relevant repo and/or project documentation has been updated
  to reflect the changes in this PR.
• Tests have been added and/or modified to cover the changes in this PR.
• All new and existing tests pass.

[aloftus23]

Looks like the pylint is failing in the Backend Pipeline / Test (pull_request)

I guess they want you to use %s with logger instead of format. Not sure why

[aloftus23]

All looks good!

Also went through the full local build process and tested all frontend pages. 👍

[nickviola]

LGTM