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- [x] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.

### Environment

* Dubbo version: 3.1.11
* Operating System version: MAC
* Java version: 1.8

### Steps to reproduce this issue

1. 使用3.1.11的版本定义一个接口提供服务，接口中包含相同名字不同参数的X个方法，那么在provider的url上methods参数就会有多个重复的方法名
2. 在2.6.x的consumer端引用该服务时，methodInvokerMap会根据相同方法名存放X个重复invoker地址，如果默认使用random负载均衡，相当于该provider有着X倍的权重一样，压力会是X倍
3. 在刚升dubbo3的时候，如果一台机器收到的流量是其他机器的X倍，可能压力较大会有风险

![duplicate](https://github.com/apache/dubbo/assets/3276231/fa4c2aab-e13c-4bd8-8b8a-3bfada07175c)
![addMap](https://github.com/apache/dubbo/assets/3276231/79b59170-020a-482e-82e2-0ebd6e162d67)


Pls. provide [GitHub address] to reproduce this issue.

### Expected Behavior

在生成provider url的methods参数时，去掉重复的方法名

### Actual Behavior

同名不同参数的方法名，会在url上生成多次

红圈中是灰度发布一台的重复现象
![methods](https://github.com/apache/dubbo/assets/3276231/6c27459e-dc1b-4ad8-b1bf-57c51115c4d8)


}
                url = url.addParameterIfAbsent(DYNAMIC_KEY, registryURL.getParameter(DYNAMIC_KEY));
                URL monitorUrl = ConfigValidationUtils.loadMonitor(this, registryURL);
                if (monitorUrl != null) {
                    url = url.putAttribute(MONITOR_KEY, monitorUrl);
                }
                
                String proxy = url.getParameter(PROXY_KEY);
                if (StringUtils.isNotEmpty(proxy)) {
                    registryURL = registryURL.addParameter(PROXY_KEY, proxy);
                }
                if (logger.isInfoEnabled()) {
                    if (url.getParameter(REGISTER_KEY, true)) {
                        logger.info("Register dubbo service " + interfaceClass.getName() + " url " + url + " to registry " + registryURL.getAddress());
                    } else {
                        logger.info("Export dubbo service " + interfaceClass.getName() + " to url " + url);
                    }
                }
                doExportUrl(registryURL.putAttribute(EXPORT_KEY, url), true, register);
            }
        } else {
            if (logger.isInfoEnabled()) {
                logger.info("Export dubbo service " + interfaceClass.getName() + " to url " + url);
            }
            doExportUrl(url, true, register);
        }
        return url;
    }
    @SuppressWarnings({"unchecked", "rawtypes"})
    private void doExportUrl(URL url, boolean withMetaData, boolean register) {