Bump com.google.devtools.ksp:symbol-processing-gradle-plugin

Bumps [com.google.devtools.ksp:symbol-processing-gradle-plugin](https://github.com/google/ksp) from 1.9.21-1.0.15 to 1.9.21-1.0.16.
- [Release notes](https://github.com/google/ksp/releases)
- [Commits](google/ksp@1.9.21-1.0.15...1.9.21-1.0.16)

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

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

build.gradle

@@ -14,7 +14,7 @@ buildscript {
         lifecycleVersion = '2.6.2'
         androidXCoreVersion = '2.2.0'
         paletteKtxVersion = '1.0.0'
-        kspVersion = '1.9.21-1.0.15'
+        kspVersion = '1.9.21-1.0.16'
 
         // Networking
         brotliVersion = '0.1.2'