MINOR: Bump com.squareup.okhttp3:mockwebserver3 from 5.3.2 to 5.4.0

Bumps [com.squareup.okhttp3:mockwebserver3](https://github.com/square/okhttp) from 5.3.2 to 5.4.0.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](lysine-dev/okhttp@parent-5.3.2...parent-5.4.0)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:mockwebserver3
  dependency-version: 5.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

flight/flight-sql-jdbc-core/pom.xml

@@ -123,7 +123,7 @@ under the License.
     <dependency>
       <groupId>com.squareup.okhttp3</groupId>
       <artifactId>mockwebserver3</artifactId>
-      <version>5.3.2</version>
+      <version>5.4.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>