Update plugin ksp to v2.0.21-1.0.28

Author: renovate[bot]

gradle/libs.versions.toml

@@ -36,7 +36,7 @@ kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-kapt = { id = "org.jetbrains.kotlin.kapt", version.ref = "kotlin" }
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
-ksp = { id = "com.google.devtools.ksp", version = "2.0.21-1.0.27" }
+ksp = { id = "com.google.devtools.ksp", version = "2.0.21-1.0.28" }
 gradle-versions = { id = "com.github.ben-manes.versions", version = "0.51.0" }
 spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
 sqldelight = { id = "app.cash.sqldelight", version.ref = "sqldelight" }