Bump kotlinx-serialization-json from 1.3.3 to 1.4.0

Bumps [kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization) from 1.3.3 to 1.4.0.
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Kotlin/kotlinx.serialization/compare/v1.3.3...v1.4.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-serialization-json
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

app/build.gradle

@@ -189,7 +189,7 @@ dependencies {
 	
     implementation fileTree(include: ['*'], dir: 'libs')
 
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.3"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0"
 
     implementation 'androidx.appcompat:appcompat:1.4.2'
     implementation 'com.google.android.material:material:1.6.1'