Bump org.jetbrains.kotlinx:atomicfu from 0.27.0 to 0.29.0

Bumps [org.jetbrains.kotlinx:atomicfu](https://github.com/Kotlin/kotlinx.atomicfu) from 0.27.0 to 0.29.0.
- [Release notes](https://github.com/Kotlin/kotlinx.atomicfu/releases)
- [Changelog](https://github.com/Kotlin/kotlinx-atomicfu/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx-atomicfu@0.27.0...0.29.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:atomicfu
  dependency-version: 0.29.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ benchmark-runtime = { module = "org.jetbrains.kotlinx:kotlinx-benchmark-runtime"
 serialization-core = { module = "org.jetbrains.kotlinx:kotlinx-serialization-core", version.ref = "kotlinx-serialization" }
 serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization" }
 kotlinx-io-core = { module="org.jetbrains.kotlinx:kotlinx-io-core", version.ref="kotlinx-io" }
-kotlinx-atomicfu = { module = "org.jetbrains.kotlinx:atomicfu", version = "0.27.0" }
+kotlinx-atomicfu = { module = "org.jetbrains.kotlinx:atomicfu", version = "0.29.0" }
 kotlin-test-junit5 = { module = "org.jetbrains.kotlin:kotlin-test-junit5", version.ref = "kotlin" }
 
 [plugins]