build(deps): bump com.squareup.okio:okio from 3.6.0 to 3.16.4

Bumps [com.squareup.okio:okio](https://github.com/square/okio) from 3.6.0 to 3.16.4.
- [Changelog](https://github.com/square/okio/blob/master/CHANGELOG.md)
- [Commits](square/okio@parent-3.6.0...parent-3.16.4)

---
updated-dependencies:
- dependency-name: com.squareup.okio:okio
  dependency-version: 3.16.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

modules/transport-h2/pom.xml

@@ -134,7 +134,7 @@
         <dependency>
             <groupId>com.squareup.okio</groupId>
             <artifactId>okio</artifactId>
-            <version>3.6.0</version>
+            <version>3.16.4</version>
         </dependency>
 
         <!-- Undertow for HTTP/2 server integration (Apache 2.0 Licensed) -->