[JAVA-31566] Upgrade okhttp to latest version (#15983)

spring-reactive-modules/spring-reactive-3/pom.xml

@@ -67,7 +67,12 @@
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>mockwebserver</artifactId>
-            <version>4.12.0</version>
+            <version>${mockwebserver.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+            <version>${kotlin-stdlib.version}</version>
         </dependency>
     </dependencies>
 
@@ -86,6 +91,8 @@
     <properties>
         <reactor-spring.version>1.0.1.RELEASE</reactor-spring.version>
         <spring-cloud.version>2021.0.4</spring-cloud.version>
+        <mockwebserver.version>5.0.0-alpha.12</mockwebserver.version>
+        <kotlin-stdlib.version>2.0.0-Beta4</kotlin-stdlib.version>
     </properties>
 
 </project>

spring-reactive-modules/spring-reactive-client/pom.xml

@@ -125,6 +125,11 @@
             <version>${jetty-reactive-httpclient.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+            <version>${kotlin-stdlib.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -179,10 +184,11 @@
         <reactor-spring.version>1.0.1.RELEASE</reactor-spring.version>
         <geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
         <jetty-reactive-httpclient.version>1.1.6</jetty-reactive-httpclient.version>
-        <okhttp.version>4.12.0</okhttp.version>
+        <okhttp.version>5.0.0-alpha.12</okhttp.version>
         <reactor-test.version>3.5.3</reactor-test.version>
         <wiremock-standalone.version>2.26.0</wiremock-standalone.version>
         <spring-cloud-starter-openfeign.version>3.1.4</spring-cloud-starter-openfeign.version>
+        <kotlin-stdlib.version>2.0.0-Beta4</kotlin-stdlib.version>
     </properties>
 
 </project>