etcd3 grpc version mismatch

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• I have searched the issues of this repository and believe that this is not a duplicate.

Ⅰ. Issue Description

Ⅱ. Describe what happened

If there is an exception, please attach the exception trace:

java.lang.NoClassDefFoundError: io/grpc/internal/BaseDnsNameResolverProvider
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:370)
        at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
        at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
        at io.grpc.ServiceProviders.loadAll(ServiceProviders.java:67)
        at io.grpc.NameResolverRegistry.getDefaultRegistry(NameResolverRegistry.java:126)
        at io.grpc.internal.ManagedChannelImplBuilder.<init>(ManagedChannelImplBuilder.java:152)
        at io.grpc.internal.ManagedChannelImplBuilder.<init>(ManagedChannelImplBuilder.java:272)
        at io.grpc.netty.NettyChannelBuilder.<init>(NettyChannelBuilder.java:199)
        at io.grpc.netty.NettyChannelBuilder.forTarget(NettyChannelBuilder.java:169)
        at io.etcd.jetcd.ClientConnectionManager.defaultChannelBuilder(ClientConnectionManager.java:178)
        at io.etcd.jetcd.ClientConnectionManager.getChannel(ClientConnectionManager.java:98)
        at io.etcd.jetcd.ClientImpl.<init>(ClientImpl.java:54)
        at io.etcd.jetcd.ClientBuilder.build(ClientBuilder.java:387)
        at org.apache.seata.config.etcd3.EtcdConfiguration.getClient(EtcdConfiguration.java:241)
        at org.apache.seata.config.etcd3.EtcdConfiguration.initSeataConfig(EtcdConfiguration.java:286)
        at org.apache.seata.config.etcd3.EtcdConfiguration.<init>(EtcdConfiguration.java:97)
        at org.apache.seata.config.etcd3.EtcdConfiguration.getInstance(EtcdConfiguration.java:109)
        at org.apache.seata.config.etcd3.EtcdConfigurationProvider.provide(EtcdConfigurationProvider.java:28)
        at org.apache.seata.config.ConfigurationFactory.getNonSpringConfiguration(ConfigurationFactory.java:218)
        at org.apache.seata.config.ConfigurationFactory.buildConfiguration(ConfigurationFactory.java:161)
        at org.apache.seata.config.ConfigurationFactory.getInstance(ConfigurationFactory.java:121)
        at org.apache.seata.server.store.StoreConfig.<clinit>(StoreConfig.java:33)
        at org.apache.seata.server.spring.listener.SeataPropertiesLoader.initialize(SeataPropertiesLoader.java:77)
        at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:605)
        at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:374)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289)
        at org.apache.seata.server.ServerApplication.main(ServerApplication.java:30)
Caused by: java.lang.ClassNotFoundException: io.grpc.internal.BaseDnsNameResolverProvider
        at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        ... 43 common frames omitted

Ⅲ. Describe what you expected to happen

Ⅳ. How to reproduce it (as minimally and precisely as possible)

1. Use etcd3 for config/registry settings

Minimal yet complete reproducer code (or URL to code):

Ⅴ. Anything else we need to know?

You are using jetcd 0.5.0 version, but this version uses grpc 1.27.1 version. This is very different from grpc 1.66.0 used by seata.
I think this version difference is causing the above error.

Ⅵ. Environment:

• JDK version(e.g. java -version): 1.8
• Seata client/server version: 2.2.0
• Database version:
• OS(e.g. uname -a):
• Others: