[TASK] Update README

Author: ayacoo

README.md

@@ -108,7 +108,7 @@ https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/ApiOverview/ContentS
 | AyacooSoundcloud | TYPO3 | PHP       | Support / Development                |
 |------------------|-------|-----------|--------------------------------------|
 | 3.x              | 13.x  | 8.2 - 8.4 | features, bugfixes, security updates |
-| 2.x              | 12.x  | 8.1 - 8.3 | bugfixes, security updates           |
+| 2.x              | 12.x  | 8.1 - 8.4 | bugfixes, security updates           |
 | 1.x              | 11.x  | 7.4 - 8.0 | bugfixes, security updates           |
 
 ### 4.2 Release Management