Update vertex golden files

Author: daymxn

firebase-vertexai/src/test/java/com/google/firebase/vertexai/VertexAIStreamingSnapshotTests.kt

@@ -62,10 +62,9 @@ internal class VertexAIStreamingSnapshotTests {
       withTimeout(testTimeout) {
         val responseList = responses.toList()
         responseList.isEmpty() shouldBe false
-        responseList.forEach {
-          it.candidates.first().finishReason shouldBe FinishReason.STOP
-          it.candidates.first().content.parts.isEmpty() shouldBe false
-          it.candidates.first().safetyRatings.isEmpty() shouldBe false
+        responseList.last().candidates.first().apply {
+          finishReason shouldBe FinishReason.STOP
+          content.parts.isEmpty() shouldBe false
         }
       }
     }

firebase-vertexai/update_responses.sh

@@ -17,7 +17,7 @@
 # This script replaces mock response files for Vertex AI unit tests with a fresh
 # clone of the shared repository of Vertex AI test data.
 
-RESPONSES_VERSION='v7.*' # The major version of mock responses to use
+RESPONSES_VERSION='v13.*' # The major version of mock responses to use
 REPO_NAME="vertexai-sdk-test-data"
 REPO_LINK="https://github.com/FirebaseExtended/$REPO_NAME.git"