Missing lang key in Azerbaijani (az_az)

In the language file for Azerbaijani (az_az), an entry for "block.minecraft.pale_oak_pressure_plate" is missing. This is not a big issue, since at the time of writing pale oak items still have english names in the az_az lang file, so this omission isn't noticeable in-game.

This bug has likely existed since the introduction of pale oak in 24w40a (1.21.2).