feat: adapt to polaris-java CLIENT_REPORTER plugin for config watch reporting

- Upgrade polaris.version from 2.1.2.0-SNAPSHOT to 2.1.2.0
- Enable clientReporter in ConfigurationModifier.modify()
- Add ClientReporterConfigImpl mock to ConfigurationModifierTest
- Add clientReporter verification to test assertions

spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/ConfigurationModifier.java

@@ -67,6 +67,8 @@ public class ConfigurationModifier implements PolarisConfigurationConfigModifier
 	@Override
 	public void modify(ConfigurationImpl configuration) {
 		configuration.getGlobal().getStatReporter().setEnable(false);
+		// Enable client reporter to report config watch metadata via ReportClient.
+		configuration.getGlobal().getClientReporter().setEnable(true);
 		configuration.getConsumer().getOutlierDetection().setWhen(OutlierDetectionConfig.When.never);
 		configuration.getConsumer().getCircuitBreaker().setEnable(false);
 

spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/ConfigurationModifierTest.java

@@ -40,6 +40,7 @@ import com.tencent.polaris.factory.config.consumer.CircuitBreakerConfigImpl;
 import com.tencent.polaris.factory.config.consumer.ConsumerConfigImpl;
 import com.tencent.polaris.factory.config.consumer.OutlierDetectionConfigImpl;
 import com.tencent.polaris.factory.config.global.APIConfigImpl;
+import com.tencent.polaris.factory.config.global.ClientReporterConfigImpl;
 import com.tencent.polaris.factory.config.global.GlobalConfigImpl;
 import com.tencent.polaris.factory.config.global.ServerConnectorConfigImpl;
 import com.tencent.polaris.factory.config.global.StatReporterConfigImpl;
@@ -94,9 +95,11 @@ class ConfigurationModifierTest {
 
 		GlobalConfigImpl globalConfig = mock(GlobalConfigImpl.class);
 		StatReporterConfigImpl statReporter = mock(StatReporterConfigImpl.class);
+		ClientReporterConfigImpl clientReporter = mock(ClientReporterConfigImpl.class);
 		ServerConnectorConfigImpl serverConnector = mock(ServerConnectorConfigImpl.class);
 		APIConfigImpl apiConfig = mock(APIConfigImpl.class);
 		when(globalConfig.getStatReporter()).thenReturn(statReporter);
+		when(globalConfig.getClientReporter()).thenReturn(clientReporter);
 		Mockito.lenient().when(globalConfig.getServerConnector()).thenReturn(serverConnector);
 		Mockito.lenient().when(globalConfig.getAPI()).thenReturn(apiConfig);
 		when(configuration.getGlobal()).thenReturn(globalConfig);
@@ -153,6 +156,7 @@ class ConfigurationModifierTest {
 
 		// Assert
 		verify(configuration.getGlobal().getStatReporter()).setEnable(false);
+		verify(configuration.getGlobal().getClientReporter()).setEnable(true);
 		verify(configuration.getConsumer().getOutlierDetection()).setWhen(OutlierDetectionConfig.When.never);
 		verify(configuration.getConsumer().getCircuitBreaker()).setEnable(false);
 		verify(configuration.getConfigFile(), never()).getServerConnector();
@@ -176,6 +180,7 @@ class ConfigurationModifierTest {
 
 		// Assert
 		verify(configuration.getGlobal().getStatReporter()).setEnable(false);
+		verify(configuration.getGlobal().getClientReporter()).setEnable(true);
 		verify(configuration.getConfigFile(), never()).getServerConnector();
 	}