fix(deps): bump @okta/okta-auth-js from 6.5.1 to 7.8.1

Bumps [@okta/okta-auth-js](https://github.com/okta/okta-auth-js) from 6.5.1 to 7.8.1.
- [Release notes](https://github.com/okta/okta-auth-js/releases)
- [Changelog](https://github.com/okta/okta-auth-js/blob/master/CHANGELOG.md)
- [Commits](okta/okta-auth-js@okta-auth-js-6.5.1...okta-auth-js-7.8.1)

---
updated-dependencies:
- dependency-name: "@okta/okta-auth-js"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>