chore: bump org.springframework.boot in /dgs-subscription-sse (#2737)

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.3.1 to 3.3.2.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.1...v3.3.2)

---
updated-dependencies:
- dependency-name: org.springframework.boot
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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dgs-subscription-sse/build.gradle.kts

@@ -2,7 +2,7 @@ import com.netflix.graphql.dgs.codegen.gradle.GenerateJavaTask
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    id("org.springframework.boot") version "3.3.1"
+    id("org.springframework.boot") version "3.3.2"
     id("io.spring.dependency-management") version "1.1.6"
 
     kotlin("jvm") version "2.0.0"