So with a little help from e/OS + Android OS version names and numbers? - #3 by aibd we see your Android version is AOSP 13 (T) and of the Different Build Types you have official.
Then you look at /e/OS stable FP5 download … and see that A 13 and A14 official is available as
… but web installer chose A 13 (T) for you … I don’t know why that is.
If you are in any doubt about the Android SPL existing on your phone now it is seen
Settings > About phone > Android version > Android security update.
… I am not with you … matching what / why ??