Update dependency com.squareup.okhttp3:okhttp to v5

Author: renovate[bot]

flink-runtime/pom.xml

@@ -217,7 +217,7 @@ under the License.
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
-			<version>4.12.0</version>
+			<version>5.1.0</version>
 			<scope>test</scope>
 		</dependency>