Update dependency org.jetbrains.kotlinx:atomicfu to v0.26.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlinx:atomicfu	0.25.0 -> 0.26.0

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Release Notes

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

### [`v0.26.0`](https://redirect.github.com/Kotlin/kotlinx.atomicfu/blob/HEAD/CHANGES.md#Version-0260) [Compare Source](https://redirect.github.com/Kotlin/kotlinx.atomicfu/compare/0.25.0...0.26.0) - Updated Kotlin to `2.0.21` ([#​479](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/479)). - Removed JS Legacy Transformer and disabled `transformJs` flag by default ([#​478](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/478)). - Added `api` kotlinx-atomicfu dependency for JS and WASM targets ([#​475](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/475)). - Supported deprecated `linuxArm32Hfp` target ([#​455](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/455)). - Run Gradle plugin compilation via the fixed Kotlin compiler version ([#​472](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/472)). - Updated ASM to 9.7 ([#​473](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/473)). - Completed refactoring the library build scripts ([#​421](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/421)). Kudos to [@​dkrasnoff](https://redirect.github.com/dkrasnoff)! 🎉 - Added build/configuration caches and scans ([#​451](https://redirect.github.com/Kotlin/kotlinx.atomicfu/issues/451)).

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