Update cxf.version to v3.6.3

Author: renovate[bot]

cxf-spring-boot-starter/pom.xml

@@ -20,7 +20,7 @@
 		<!-- Project dependencies -->
 		<spring.boot.version>2.7.5</spring.boot.version>
 		<cxf-spring-boot-starter-maven-plugin.version>2.3.0.RELEASE</cxf-spring-boot-starter-maven-plugin.version>
-		<cxf.version>3.5.4</cxf.version>
+		<cxf.version>3.6.3</cxf.version>
 		<jakarta.activation.version>2.0.1</jakarta.activation.version>
 
 		<fluent-hc.version>4.5.13</fluent-hc.version>