/data merge entity @e[type=item_frame,sort=nearest,limit=1] {ItemRotation:0}

/scoreboard objectives add rotation dummy
/execute as @e[type=item_frame] store result score @s rotation run data get entity @s ItemRotation
/scoreboard players add @e[type=item_frame] rotation 1
/execute as @e[type=item_frame] store result entity @s ItemRotation byte run scoreboard players get @s rotation