Bump com.squareup.okio:okio from 3.9.0 to 3.9.1

Bumps [com.squareup.okio:okio](https://github.com/square/okio) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/square/okio/releases)
- [Changelog](https://github.com/square/okio/blob/master/CHANGELOG.md)
- [Commits](square/okio@parent-3.9.0...3.9.1)

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

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

okio-extras/build.gradle.kts

@@ -34,7 +34,7 @@ kotlin {
     sourceSets {
         val commonMain by getting {
             dependencies {
-                api("com.squareup.okio:okio:3.9.0")
+                api("com.squareup.okio:okio:3.9.1")
             }
         }