MINOR: Bump com.squareup.okio:okio-jvm from 3.17.0 to 3.18.1

Bumps [com.squareup.okio:okio-jvm](https://github.com/lysine-dev/okio) from 3.17.0 to 3.18.1.
- [Changelog](https://github.com/lysine-dev/okio/blob/main/CHANGELOG.md)
- [Commits](lysine-dev/okio@parent-3.17.0...parent-3.18.1)

---
updated-dependencies:
- dependency-name: com.squareup.okio:okio-jvm
  dependency-version: 3.18.1
  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

@@ -141,7 +141,7 @@ under the License.
     <dependency>
       <groupId>com.squareup.okio</groupId>
       <artifactId>okio-jvm</artifactId>
-      <version>3.17.0</version>
+      <version>3.18.1</version>
       <scope>test</scope>
     </dependency>