Set Java 19 compiler version after JDT Core merge

In messages_aspectj.properties, set compiler.version to
"Eclipse Compiler 5fd28398cc (21Sep2022) - Java19".

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

org.aspectj.ajdt.core/src/main/resources/org/aspectj/org/eclipse/jdt/internal/compiler/batch/messages_aspectj.properties

@@ -1,5 +1,5 @@
 compiler.name = AspectJ Compiler
-compiler.version = Eclipse Compiler d3a80f1f9b2f8a (21Mar2022) - Java18
+compiler.version = Eclipse Compiler 5fd28398cc7aba (21Sep2022) - Java19
 compiler.copyright =
 
 misc.version = {0} {1} - {2} {3}