Update atomicfu to v0.26.1 (#307)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ agp = "8.5.2"
 coroutines = "1.9.0"
 guava = "33.0.0-android"
 awaitility = "4.2.2"
-atomicfu = "0.26.0"
+atomicfu = "0.26.1"
 binary_compat = "0.16.3"
 kover = "0.8.3"
 slf4j = "2.0.16"