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] <[email protected]>

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ kotlinpoet = "1.18.1"
 mavenplugin = "0.29.0"
 moshi = "1.15.1"
 okhttp = "4.12.0"
-okio = "3.9.0"
+okio = "3.9.1"
 protobuf = "4.28.2"
 slf4j = "2.0.16"
 spotless = "6.25.0"