chore(deps): bump com.google.maps.android:maps-ktx in /ApiDemos/kotlin

Bumps [com.google.maps.android:maps-ktx](https://github.com/googlemaps/android-maps-ktx) from 3.4.0 to 4.0.0.
- [Release notes](https://github.com/googlemaps/android-maps-ktx/releases)
- [Changelog](https://github.com/googlemaps/android-maps-ktx/blob/main/release.gpg.gpg)
- [Commits](googlemaps/android-maps-ktx@v3.4.0...v4.0.0)

---
updated-dependencies:
- dependency-name: com.google.maps.android:maps-ktx
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

ApiDemos/kotlin/app/build.gradle

@@ -57,7 +57,7 @@ dependencies {
     // GMS
     gmsImplementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1'
     gmsImplementation 'com.google.android.gms:play-services-maps:18.1.0'
-    gmsImplementation 'com.google.maps.android:maps-ktx:3.4.0'
+    gmsImplementation 'com.google.maps.android:maps-ktx:4.0.0'
 
     // V3
     v3Implementation 'com.google.android.libraries.maps:maps:3.1.0-beta'