Update plugin ksp to v2.0.0-1.0.21 (#616)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -19,7 +19,7 @@ android-application = { id = "com.android.application", version.ref = "agp" }
 android-library = { id = "com.android.library", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
-ksp = "com.google.devtools.ksp:2.0.0-RC3-1.0.20"
+ksp = "com.google.devtools.ksp:2.0.0-1.0.21"
 napt = "com.sergei-lapin.napt:1.19"
 spotless = "com.diffplug.spotless:6.25.0"
 detekt = "io.gitlab.arturbosch.detekt:1.23.6"