Compose version update for benchmarks (#5320)

## Release Notes
N/A

Author: pjBooms

benchmarks/multiplatform/gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-compose-multiplatform = "1.8.0-beta01"
+compose-multiplatform = "1.8.0"
 kotlin = "2.1.20"
 kotlinx-coroutines = "1.8.0"
 kotlinx-serialization = "1.8.0"

benchmarks/showcases/LazyGridImageView/gradle/libs.versions.toml

@@ -12,7 +12,7 @@ androidx-lifecycle = "2.8.4"
 androidx-material = "1.12.0"
 androidx-test-junit = "1.2.1"
 coilCompose = "3.1.0"
-compose-multiplatform = "1.8.0-rc01"
+compose-multiplatform = "1.8.0"
 junit = "4.13.2"
 kotlin = "2.1.20"
 kotlinx-coroutines = "1.10.1"