chore: update starter modules in spring-cloud-previews (#3657)

* chore: update starter modules in spring-cloud-previews

* fix test

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Co-authored-by: Cloud Java Bot <[email protected]>

Author: JoeWang1127

spring-cloud-generator/spring-cloud-previews-template/google-cloud-language-spring-starter/src/test/java/com/google/cloud/language/v2/spring/LanguageAutoConfigurationTests.java

@@ -18,6 +18,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.Mockito.when;
 
 import com.google.api.gax.core.CredentialsProvider;
@@ -197,6 +198,7 @@ void testExecutorThreadCountFromProperties() {
   void testCustomTransportChannelProviderUsedWhenProvided() throws IOException {
     when(mockTransportChannelProvider.getTransportName()).thenReturn("grpc");
     when(mockTransportChannelProvider.getTransportChannel()).thenReturn(mockTransportChannel);
+    when(mockTransportChannelProvider.withUseS2A(anyBoolean())).thenReturn(mockTransportChannelProvider);
     when(mockTransportChannel.getEmptyCallContext()).thenReturn(mockApiCallContext);
     when(mockApiCallContext.withCredentials(any())).thenReturn(mockApiCallContext);
     when(mockApiCallContext.withTransportChannel(any())).thenReturn(mockApiCallContext);