Jakarta EE 9 migration

Upgrades many dependency declarations; removes old EJB 2.x support and outdated Servlet-based integrations (Commons FileUpload, FreeMarker JSP support, Tiles).

Closes gh-22093
Closes gh-25354
Closes gh-26185
Closes gh-27423
See gh-27424

spring-context-indexer/src/main/java/org/springframework/context/index/processor/StandardStereotypesProvider.java

@@ -49,7 +49,7 @@ class StandardStereotypesProvider implements StereotypesProvider {
 		}
 		for (AnnotationMirror annotation : this.typeHelper.getAllAnnotationMirrors(element)) {
 			String type = this.typeHelper.getType(annotation);
-			if (type.startsWith("javax.")) {
+			if (type.startsWith("jakarta.")) {
 				stereotypes.add(type);
 			}
 		}