Bump com.google.code.gson:gson from 2.11.0 to 2.12.1 in /app

Bumps [com.google.code.gson:gson](https://github.com/google/gson) from 2.11.0 to 2.12.1.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.11.0...gson-parent-2.12.1)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

app/build.gradle.kts

@@ -86,7 +86,7 @@ dependencies {
     val roomVersion = "2.6.1"
     val colorPickerViewVersion = "2.3.0"
     val simplyPDFVersion = "2.1.1"
-    val gsonVersion = "2.11.0"
+    val gsonVersion = "2.12.1"
     val tableViewVersion = "0.8.9.4"
     val androidPlotVersion = "1.5.11"
     val appIntroVersion = "6.3.1"