fix: attemptRefreshingSession should not throw if the refresh call 401s

[porcellus]

Summary of change

fix: attemptRefreshingSession should not throw if the refresh call 401s

Related issues

• https://discordapp.com/channels/603466164219281420/1202281688013738034

Test Plan

Added 2 related test:

1. Test that attemptRefreshingSession doesn't throw in this situation (this fails on master)
2. Test that sessionDoesNotExist doesn't throw in this situation (this already passes on master)

Documentation changes

N/A, bugfix

Checklist for important updates

• Changelog has been updated
• frontendDriverInterfaceSupported.json file has been updated (if needed)
  • Along with the associated array in lib/ts/version.ts
• Changes to the version if needed
  • In package.json
  • In package-lock.json
  • In lib/ts/version.ts
• Had run npm run build-pretty
• Had installed and ran the pre-commit hook
• Issue this PR against the latest non released version branch.
  • To know which one it is, run find the latest released tag (git tag) in the format vX.Y.Z, and then find the latest branch (git branch --all) whose X.Y is greater than the latest released tag.
  • If no such branch exists, then create one from the latest released branch.

[github-actions]

size-limit report 📦

Path	Size
lib/build/bundleEntry.js	20.19 KB (0%)