Bump com.google.guava:guava-testlib from 33.2.1-jre to 33.3.1-jre

Bumps [com.google.guava:guava-testlib](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-testlib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -52,7 +52,7 @@ subprojects {
         set("specMeshVersion", "0.3.0")         // https://mvnrepository.com/artifact/io.specmesh
         set("kafkaVersion", "3.3.2")            // https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients
         set("spotBugsVersion", "4.4.2")         // https://mvnrepository.com/artifact/com.github.spotbugs/spotbugs-annotations
-        set("guavaVersion", "33.2.1-jre")         // https://mvnrepository.com/artifact/com.google.guava/guava
+        set("guavaVersion", "33.3.1-jre")         // https://mvnrepository.com/artifact/com.google.guava/guava
         set("log4jVersion", "2.23.1")           // https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core
 
         set("junitVersion", "5.11.1")            // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api