fix: bumping gson to incorporate fixes and improvements (#312)

<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Upgrade Gson to 2.13.2 across modules and exclude
error_prone_annotations from all configurations to prevent dexing
issues.
> 
> - **Dependencies**:
> - Upgrade `com.google.code.gson:gson` to `2.13.2` in `contract-tests`,
`launchdarkly-android-client-sdk` (via `versions.gson`), and
`shared-test-code`.
> - **Build/Config**:
> - Add `configurations.all { exclude group: 'com.google.errorprone',
module: 'error_prone_annotations' }` in all modules to avoid dexing
issues.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
f91022c. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: tanderson-ld

contract-tests/build.gradle

@@ -24,10 +24,15 @@ android {
     }
 }
 
+configurations.all {
+    // Exclude error_prone_annotations as it's compile-time only and causes dexing issues
+    exclude group: 'com.google.errorprone', module: 'error_prone_annotations'
+}
+
 dependencies {
     // https://mvnrepository.com/artifact/org.nanohttpd/nanohttpd
     implementation("org.nanohttpd:nanohttpd:2.3.1")
-    implementation("com.google.code.gson:gson:2.8.9")
+    implementation("com.google.code.gson:gson:2.13.2")
     implementation("com.squareup.okhttp3:okhttp:4.9.2")
     implementation(project(":launchdarkly-android-client-sdk"))
     // Comment the previous line and uncomment this one to depend on the published artifact:

launchdarkly-android-client-sdk/build.gradle

@@ -54,14 +54,17 @@ configurations {
 configurations.all {
     // allows snapshot dependencies to be updated
     resolutionStrategy.cacheChangingModulesFor 0, 'seconds'
+    
+    // Exclude error_prone_annotations as it's compile-time only and causes dexing issues
+    exclude group: 'com.google.errorprone', module: 'error_prone_annotations'
 }
 
 ext {}
 ext.versions = [
     "androidAnnotation": "1.2.0",
     "androidAppcompat": "1.1.0",
     "eventsource": "3.0.0",
-    "gson": "2.8.9",
+    "gson": "2.13.2",
     "jacksonCore": "2.10.5",
     "jacksonDatabind": "2.10.5.1",
     "junit": "4.13",

shared-test-code/build.gradle

@@ -11,7 +11,7 @@ version = version
 ext {}
 ext.versions = [
     "androidAnnotation": "1.2.0",
-    "gson": "2.8.9",
+    "gson": "2.13.2",
     "junit": "4.13",
     "launchdarklyLogging": "1.1.1",
 ]
@@ -26,6 +26,11 @@ android {
     }
 }
 
+configurations.all {
+    // Exclude error_prone_annotations as it's compile-time only and causes dexing issues
+    exclude group: 'com.google.errorprone', module: 'error_prone_annotations'
+}
+
 dependencies {
     implementation(project(":launchdarkly-android-client-sdk"))