Bump gson from 2.8.6 to 2.8.7

Bumps [gson](https://github.com/google/gson) from 2.8.6 to 2.8.7.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.8.6...gson-parent-2.8.7)

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

gradle/dependencies.gradle

@@ -6,7 +6,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.2'
     testImplementation 'org.mockito:mockito-inline:3.10.0'
 
-    api 'com.google.code.gson:gson:2.8.6'
+    api 'com.google.code.gson:gson:2.8.7'
 
     implementation 'com.squareup.okhttp3:okhttp:4.9.1'