Bump com.google.devtools.ksp in the kotlin-ksp group

Bumps the kotlin-ksp group with 1 update: [com.google.devtools.ksp](https://github.com/google/ksp).


Updates `com.google.devtools.ksp` from 2.2.20-2.0.4 to 2.2.21-2.0.4
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@2.2.20-2.0.4...2.2.21-2.0.4)

---
updated-dependencies:
- dependency-name: com.google.devtools.ksp
  dependency-version: 2.2.21-2.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin-ksp
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -86,7 +86,7 @@ junit = '4.13.2'
 lottie = '6.6.7'
 kotlin = '2.2.21'
 kotlinx-coroutines = '1.10.2'
-ksp = '2.2.20-2.0.4'
+ksp = '2.2.21-2.0.4'
 mockito-kotlin = '6.1.0'
 mpandroidchart = 'v3.1.0'
 photoview = '2.3.0'