IDE.md: update AJDT version info

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

docs/developer/IDE.md

@@ -31,8 +31,8 @@ projects using AspectJ Maven Plugin.
 
 #### AspectJ Development Tools (AJDT)
 
-Use an update sites corresponding to your Eclipse version (minimal version listed):
-* Eclipse 2022-03 (4.23), AspectJ 1.9.9, Java 18: https://download.eclipse.org/tools/ajdt/423/dev/update
+Use an update site corresponding to your Eclipse version (minimal version listed):
+* Eclipse 2022-03 (4.23), AspectJ 1.9.19, Java 19: https://download.eclipse.org/tools/ajdt/423/dev/update
 * Eclipse 2021-09 (4.21), AspectJ 1.9.8, Java 17: https://download.eclipse.org/tools/ajdt/421/dev/update
 * Eclipse 2021-03 (4.19), AspectJ 1.9.7, Java 16: https://download.eclipse.org/tools/ajdt/419/dev/update
 * Eclipse 2018-12 (4.10), AspectJ 1.9.6, Java 14: https://download.eclipse.org/tools/ajdt/410/dev/update