Bump com.google.devtools.ksp from 2.0.21-1.0.27 to 2.1.21-2.0.1

Bumps [com.google.devtools.ksp](https://github.com/google/ksp) from 2.0.21-1.0.27 to 2.1.21-2.0.1.
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@2.0.21-1.0.27...2.1.21-2.0.1)

---
updated-dependencies:
- dependency-name: com.google.devtools.ksp
  dependency-version: 2.1.21-2.0.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -18,7 +18,7 @@ dokka = "1.9.0"
 kluent = "1.73"
 kotlinxCoroutines = "1.10.1"
 kotlinxSerialization = "1.7.3"
-ksp = "2.0.21-1.0.27"
+ksp = "2.1.21-2.0.1"
 okhttp = "4.12.0"
 retrofit = "2.11.0"
 moshi="1.15.2"