Update plugin ksp to v1.9.21-1.0.16 (#515)

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

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ support = "28.0.0"
 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" }
-ksp = "com.google.devtools.ksp:1.9.21-1.0.15"
+ksp = "com.google.devtools.ksp:1.9.21-1.0.16"
 napt = "com.sergei-lapin.napt:1.19"
 spotless = "com.diffplug.spotless:6.23.3"
 detekt = "io.gitlab.arturbosch.detekt:1.23.4"