fix(deps): update dependency com.google.guava:guava to v33 (#542)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

graphql-java-servlet/build.gradle

@@ -39,7 +39,7 @@ dependencies {
     testImplementation "org.slf4j:slf4j-simple:$LIB_SLF4J_VER"
     testImplementation "org.springframework:spring-test:6.1.2"
     testRuntimeOnly "org.springframework:spring-web:6.1.2"
-    testImplementation 'com.google.guava:guava:32.1.3-jre'
+    testImplementation 'com.google.guava:guava:33.0.0-jre'
     testImplementation "jakarta.servlet:jakarta.servlet-api:6.0.0"
     testImplementation "jakarta.websocket:jakarta.websocket-api:2.1.1"
     testImplementation "jakarta.websocket:jakarta.websocket-client-api:2.1.1"