Bump com.google.guava:guava from 33.2.1-jre to 33.3.1-jre in /router

Bumps [com.google.guava:guava](https://github.com/google/guava) from 33.2.1-jre to 33.3.1-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

router/build.gradle.kts

@@ -9,7 +9,7 @@ dependencies {
     implementation("org.slf4j:slf4j-api:2.0.13")
     api("com.fasterxml.jackson.core:jackson-databind:2.17.1")
     api("com.fasterxml.jackson.module:jackson-module-kotlin:2.17.1")
-    api("com.google.guava:guava:33.2.1-jre")
+    api("com.google.guava:guava:33.3.1-jre")
 
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.10.2")
     testImplementation("org.junit.jupiter:junit-jupiter-params:5.10.2")