Upgrade to HSQLDB 2.5.2

Closes gh-26051

Author: snicoll

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -444,7 +444,10 @@ bom {
 			]
 		}
 	}
-	library("HSQLDB", "2.5.1") {
+	library("HSQLDB", "2.5.2") {
+        prohibit("[2.6.0,)") {
+            because "it requires Java 11"
+        }
 		group("org.hsqldb") {
 			modules = [
 				"hsqldb"