Update atomicfu to v0.31.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.kotlinx.atomicfu	0.29.0 → 0.31.0
org.jetbrains.kotlinx:atomicfu	0.29.0 → 0.31.0

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Release Notes

Kotlin/kotlinx.atomicfu (org.jetbrains.kotlinx.atomicfu)

v0.31.0

Compare Source

• Reworked dependencies for the Gradle plugin to make it work with the latest Kotlin versions (#​569)
• Changed a dependency type for test configurations to suppress compile-time warnings in dependant projects (#​570)
• Removed dependency on Rhino (#​566)
• Updated ASM version to support JDK 25 and 26 (#​571)

v0.30.0

Compare Source

• No major issues reported for 0.30.0-beta, so the 0.30.0 release only updates the version and includes exactly the same changes as version 0.30.0.

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