[#3817]Support Redis cluster in Metadata Report

[cvictory]

What is the purpose of the change

Fix #3817, for suport redis cluster in meatadata report.

Brief changelog

Introduce Redis Cluster.

Reference:

https://redis.io/topics/cluster-spec

https://redis.io/topics/cluster-tutorial

https://github.com/xetorthio/jedis#jedis-cluster

Verifying this change

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[cvictory]

I donot find how to start redis cluster in embed redis.

I will try my best to add some test.

[codecov-io]

Codecov Report

Merging #3863 into master will increase coverage by 0.01%.
The diff coverage is 21.73%.

@@             Coverage Diff              @@
##             master    #3863      +/-   ##
============================================
+ Coverage     62.91%   62.92%   +0.01%     
- Complexity      543      545       +2     
============================================
  Files           756      756              
  Lines         32578    32602      +24     
  Branches       5163     5166       +3     
============================================
+ Hits          20496    20516      +20     
- Misses         9718     9721       +3     
- Partials       2364     2365       +1

Impacted Files	Coverage Δ	Complexity Δ
.../dubbo/metadata/identifier/MetadataIdentifier.java	60.46% <ø> (ø)	0 <0> (ø)	⬇️
...ubbo/metadata/store/redis/RedisMetadataReport.java	52.94% <20%> (-47.06%)	6 <1> (+1)
.../org/apache/dubbo/config/MetadataReportConfig.java	88.09% <33.33%> (-4.22%)	0 <0> (ø)
...ache/dubbo/remoting/p2p/support/AbstractGroup.java	45.45% <0%> (-11.37%)	0% <0%> (ø)
...stry/integration/AbstractConfiguratorListener.java	27.58% <0%> (-3.19%)	0% <0%> (ø)
...dubbo/remoting/exchange/support/DefaultFuture.java	73.46% <0%> (-1.37%)	0% <0%> (ø)
...he/dubbo/registry/multicast/MulticastRegistry.java	69.23% <0%> (-0.46%)	0% <0%> (ø)
...c/protocol/dubbo/ReferenceCountExchangeClient.java	68.51% <0%> (ø)	0% <0%> (ø)	⬇️
...rg/apache/dubbo/rpc/protocol/rest/NettyServer.java	88.23% <0%> (ø)	0% <0%> (ø)	⬇️
...rc/main/java/org/apache/dubbo/remoting/Codec2.java	100% <0%> (ø)	0% <0%> (ø)	⬇️
... and 16 more

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[ralf0131]

Hi, sorry but could you resolve the conflict first?

[chickenlj]

LGTM.