fix: typo in db migration script

#2159

Author: jo-elimu

src/main/resources/db/migration/2006117.sql

@@ -1,4 +1,4 @@
 # 2.6.117
 
-UPDATE IMAGE SET dominantColor = SUBSTRING(dominantColor, 5, LENGTH(dominantColor) - 5);
+UPDATE Image SET dominantColor = SUBSTRING(dominantColor, 5, LENGTH(dominantColor) - 5);
 ALTER TABLE `Image` MODIFY `dominantColor` VARCHAR(255) NOT NULL;