Fix for dependencyProject deprecation

[mr-thierry]

Fix for https://github.com/dropbox/focus/issues/54

This also update the project to Gradle 8.14.3 so that it.path works.

Note: upgrade the project to Gradle v9 doesn't work.

[CLAassistant]

All committers have signed the CLA.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Thierry Roy seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}