Bump com.squareup.okio:okio from 3.8.0 to 3.9.0 (#137)

Bumps [com.squareup.okio:okio](https://github.com/square/okio) from 3.8.0 to 3.9.0.
- [Changelog](https://github.com/square/okio/blob/master/CHANGELOG.md)
- [Commits](square/okio@parent-3.8.0...parent-3.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ dokka-gradlePlugin = { module = "org.jetbrains.dokka:dokka-gradle-plugin", versi
 dokka-versioningPlugin = { module = "org.jetbrains.dokka:versioning-plugin", version.ref = "dokka" }
 dokka-allModulesPagePlugin = { module = "org.jetbrains.dokka:all-modules-page-plugin", version.ref = "dokka" }
 
-okio = "com.squareup.okio:okio:3.8.0"
+okio = "com.squareup.okio:okio:3.9.0"
 
 retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
 retrofit-moshi = { module = "com.squareup.retrofit2:converter-moshi", version.ref = "retrofit" }