[Java] Upgrade to Guava TestLib 33.3.1-jre.

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ gradle = "8.10.2"
 
 [libraries]
 junit4 = { group = "junit", name = "junit", version = "4.13.2" }
-guava = { group = "com.google.guava", name = "guava-testlib", version = "33.3.0-jre" }
+guava = { group = "com.google.guava", name = "guava-testlib", version = "33.3.1-jre" }
 mockito = { group = "org.mockito", name = "mockito-core", version = "5.14.0" }
 hamcrest = { group = "org.hamcrest", name = "hamcrest", version = "3.0" }
 findbugs = { group = "com.google.code.findbugs", name = "findbugs-annotations", version = "3.0.1" }