Spring boot v3.5.9 (#5561)

Signed-off-by: Iliyan Velichkov <velichkov.iliyan@gmail.com>

Author: iliyan-velichkov

pom.xml

@@ -128,7 +128,7 @@
         <maven-license-plugin.version>5.0.0</maven-license-plugin.version>
 
         <!-- Spring -->
-        <spring.boot.version>3.5.6</spring.boot.version>
+        <spring.boot.version>3.5.9</spring.boot.version>
         <spring.admin.version>3.5.6</spring.admin.version>
         <springdoc.version>2.8.13</springdoc.version>