There’s no OTA upgrade to Android 14 (U) yet for the Fairphone 5, it would seem. The community build is available and can be installed manually … /e/OS community FP5 download
To follow proceedings regarding OTA upgrades please check the weekly posts in Topics tagged development-updates, section “OS OTA Related information” respectively.
The only OTA upgrade to Android 14 (U) currently mentioned is on FP4, and it’s listed as testing …
And please keep in mind …
(Here’s how to check the build type/release channel a phone is on.)