Versions: Bump the kotlin group with 2 updates

Bumps the kotlin group with 2 updates: [com.google.devtools.ksp:symbol-processing-api](https://github.com/google/ksp) and [com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin](https://github.com/google/ksp).


Updates `com.google.devtools.ksp:symbol-processing-api` from 1.9.23-1.0.19 to 1.9.23-1.0.20
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@1.9.23-1.0.19...1.9.23-1.0.20)

Updates `com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin` from 1.9.23-1.0.19 to 1.9.23-1.0.20
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@1.9.23-1.0.19...1.9.23-1.0.20)

Updates `com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin` from 1.9.23-1.0.19 to 1.9.23-1.0.20
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@1.9.23-1.0.19...1.9.23-1.0.20)

---
updated-dependencies:
- dependency-name: com.google.devtools.ksp:symbol-processing-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
- dependency-name: com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
- dependency-name: com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kotlin
...

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

gradle/libs.versions.toml

@@ -3,7 +3,7 @@
 # Kotlin version used to build Yatagan
 kotlin = "1.9.23"
 # Must be in sync with 'kotlin'. Asserted in buildscript
-ksp = "1.9.23-1.0.19"
+ksp = "1.9.23-1.0.20"
 # Must be compatible with 'kotlin'
 dokka = "1.9.20"