FFL-1720: Fix UnsafeThirdPartyFunctionCall detekt violation

Add @Suppress annotation for MutableList.add() call which is safe
because it's wrapped in try-catch block.

Author: typotter

features/dd-sdk-android-flags/src/main/kotlin/com/datadog/android/flags/internal/net/EvaluationsRequestFactory.kt

@@ -96,6 +96,7 @@ internal class EvaluationsRequestFactory(
             try {
                 val jsonString = String(event.data, Charsets.UTF_8)
                 val flagEvaluation = BatchedFlagEvaluations.FlagEvaluation.fromJson(jsonString)
+                @Suppress("UnsafeThirdPartyFunctionCall") // add() is safe - wrapped in try-catch
                 flagEvaluations.add(flagEvaluation)
             } catch (@Suppress("TooGenericExceptionCaught") e: Exception) {
                 // Catch all JSON parsing exceptions to prevent batch failure