Bump org.jetbrains.kotlinx:kotlinx-io-core from 0.2.1 to 0.3.1

Bumps [org.jetbrains.kotlinx:kotlinx-io-core](https://github.com/Kotlin/kotlinx-io) from 0.2.1 to 0.3.1.
- [Release notes](https://github.com/Kotlin/kotlinx-io/releases)
- [Changelog](https://github.com/Kotlin/kotlinx-io/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx-io@0.2.1...0.3.1)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-io-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ ktx-datetime = "0.5.0"
 junit = "5.10.0"
 slf4j = "2.0.12"
 apache-compress = "1.26.0"
-kotlinx-io = "0.2.1"
+kotlinx-io = "0.3.1"
 plugin-kotlinter = "4.2.0"
 plugin-publishOnCentral = "5.0.23"
 plugin-binaryCompatibilityValidator = "0.14.0"