chore: bump com.google.devtools.ksp from 2.3.11 to 2.3.12

Bumps [com.google.devtools.ksp](https://github.com/google/ksp) from 2.3.11 to 2.3.12.
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](https://github.com/google/ksp/compare/2.3.11...2.3.12)

---
updated-dependencies:
- dependency-name: com.google.devtools.ksp
  dependency-version: 2.3.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -16,7 +16,7 @@ junitPlatform = "6.1.3"
 kotlin = "2.4.10"
 # standalone per KSP 2.0+ guidance — NOT kotlinVersion-kspVersion; easy
 # to miss during Kotlin upgrades since it no longer tracks the Kotlin version.
-ksp = "2.3.11"
+ksp = "2.3.12"
 nav3Core = "1.1.7"
 lifecycleViewmodelNav3 = "2.11.0"
 leakcanary = "2.14"