[FLINK] Remove outdated Guava overrides to fix CVE-2023-2976 and CVE-2020-8908

Author: guptas6est

tools/ci/flink-ci-tools/pom.xml

@@ -51,6 +51,7 @@ under the License.
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
+			<version>33.4.0-jre</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>