fix: onboarding token prompt title for Jira Cloud

[pl4nty]

What Is This Change?

Simple wording fix - the onboarding prompt title mentions a password for Jira Cloud, when it actually expects an API token

How Has This Been Tested?

Updated the matching test case

Basic checks:

• npm run lint
• npm run test

Advanced checks:

• If Atlassian employee & Bitbucket changes: did you test with DC in mind? See Instructions

Recommendations:

• Update the CHANGELOG if making a user facing change

[atlassian-cla-bot]

Thank you for your submission! Like many open source projects, we ask that you sign our CLA (Contributor License Agreement) before we can accept your contribution.
If your email is listed below, please ensure that you sign the CLA with the same email address.

The following users still need to sign our CLA:
❌pl4nty

_{Already signed the CLA? To re-check, try refreshing the page.}