[deps]: Update com.google.devtools.ksp to v2.0.21-1.0.28

Author: renovate[bot]

gradle/libs.versions.toml

@@ -39,7 +39,7 @@ kotlinxCollectionsImmutable = "0.3.8"
 kotlinxCoroutines = "1.9.0"
 kotlinxSerialization = "1.7.3"
 kotlinxKover = "0.8.3"
-ksp = "2.0.21-1.0.27"
+ksp = "2.0.21-1.0.28"
 mockk = "1.13.13"
 okhttp = "4.12.0"
 retrofitBom = "2.11.0"