fix(deps): update spring boot to v4.0.6

Author: renovate[bot]

pom.xml

@@ -47,7 +47,7 @@
         <maven.site.skip>true</maven.site.skip>
 
         <!-- used dependencies versions -->
-        <spring-boot.version>4.0.5</spring-boot.version>
+        <spring-boot.version>4.0.6</spring-boot.version>
         <spring-cloud.version>2025.1.1</spring-cloud.version>
 
         <jolokia-support-springboot.version>2.6.0</jolokia-support-springboot.version>