Bump okio from 1.14.0 to 3.4.0 in /java

Bumps [okio](https://github.com/square/okio) from 1.14.0 to 3.4.0.
- [Changelog](https://github.com/square/okio/blob/master/CHANGELOG.md)
- [Commits](https://github.com/square/okio/compare/okio-parent-1.14.0...parent-3.4.0)

---
updated-dependencies:
- dependency-name: com.squareup.okio:okio
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

java/pom.xml

@@ -121,7 +121,7 @@ under the License.
         <dependency>
             <groupId>com.squareup.okio</groupId>
             <artifactId>okio</artifactId>
-            <version>1.14.0</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.auto.service</groupId>