build(deps): bump com.google.devtools.ksp

Bumps [com.google.devtools.ksp](https://github.com/google/ksp) from 2.1.20-2.0.1 to 2.1.21-2.0.1.
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@2.1.20-2.0.1...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-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -41,7 +41,7 @@ junitVersion = "1.2.1"
 kotlinReflect = "2.1.21"
 material = "1.12.0"
 kotlin = "2.1.21"
-ksp = "2.1.20-2.0.1"
+ksp = "2.1.21-2.0.1"
 kotlin-immutable-collections = "0.4.0"
 #Compose
 composeActivity = "1.10.1"