Upgrade to okhttp 3.11.0

Closes gh-14427

Author: philwebb

spring-boot-project/spring-boot-parent/pom.xml

@@ -96,7 +96,7 @@
 			<dependency>
 				<groupId>com.squareup.okhttp3</groupId>
 				<artifactId>okhttp</artifactId>
-				<version>3.9.0</version>
+				<version>3.11.0</version>
 			</dependency>
 			<dependency>
 				<groupId>com.squareup.okhttp3</groupId>