Update dependency org.springframework.boot:spring-boot-dependencies to v3.5.6

Author: xdev-renovate

vaadin-package-json-optimizer/pom.xml

@@ -54,7 +54,7 @@
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-dependencies</artifactId>
-				<version>3.5.5</version>
+				<version>3.5.6</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>