Polish BedrockAwsConnectionConfiguration

It's recommended to use `@Configuration(proxyBeanMethods = false)`, align with other configuration classes.

Signed-off-by: Yanming Zhou <[email protected]>

Author: quaff

auto-configurations/models/spring-ai-autoconfigure-model-bedrock-ai/src/main/java/org/springframework/ai/model/bedrock/autoconfigure/BedrockAwsConnectionConfiguration.java

@@ -37,7 +37,7 @@
  * @author Christian Tzolov
  * @author Wei Jiang
  */
-@Configuration
+@Configuration(proxyBeanMethods = false)
 @EnableConfigurationProperties({ BedrockAwsConnectionProperties.class })
 public class BedrockAwsConnectionConfiguration {