Warn to log changed to BeanCreationException for @GrpcClientBean registration

Author: a-simeshin

grpc-client-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/client/inject/GrpcClientBeanPostProcessor.java

@@ -113,7 +113,8 @@ public Object postProcessBeforeInitialization(final Object bean, final String be
                             processInjectionPoint(null, beanClientIterator.clazz(), beanClientIterator.client());
                     beanFactory.registerSingleton(beanNameToCreate, beanValue);
                 } catch (final Exception e) {
-                    log.warn("Could not register and autowire bean: {}", beanNameToCreate, e);
+                    throw new BeanCreationException(
+                            "Could not create and register grpc client bean: {}", beanNameToCreate, e);
                 }
             }