Upgrade Spring Boot to 3.5.6

Signed-off-by: Ilayaperumal Gopinathan <ilayaperumal.gopinathan@broadcom.com>

Author: ilayaperumalg

pom.xml

@@ -267,7 +267,7 @@
 <kotlin.compiler.jvmTarget>${java.version}</kotlin.compiler.jvmTarget>
 
 <!-- production dependencies -->
-<spring-boot.version>3.5.5</spring-boot.version>
+<spring-boot.version>3.5.6</spring-boot.version>
 <ST4.version>4.3.4</ST4.version>
 <azure-open-ai-client.version>1.0.0-beta.16</azure-open-ai-client.version>
 <jtokkit.version>1.1.0</jtokkit.version>