[ISSUE #3713]Add new plugin: key-auth

[Albertsirius]

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#3713 Add new plugin: key-auth

Make sure that:

• [x] You have read the contribution guidelines.
• [x] You submit test cases (unit or integration tests) that back your changes.
• [x] Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[yu199195]

pls check ci

[Albertsirius]

pls check ci

I don't know why it failed. I didn't modify this source.

[Albertsirius]

Hi, @yu199195, it hasn't been reviewed, any problems?

[codecov-commenter]

Codecov Report

Merging #3756 (b1aee90) into master (3e2b1a7) will increase coverage by 0.00%. The diff coverage is 77.55%.

@@            Coverage Diff            @@
##             master    #3756   +/-   ##
=========================================
  Coverage     70.17%   70.17%           
- Complexity     7012     7035   +23     
=========================================
  Files           954      958    +4     
  Lines         26315    26363   +48     
  Branches       2354     2362    +8     
=========================================
+ Hits          18467    18501   +34     
- Misses         6422     6433   +11     
- Partials       1426     1429    +3     

Impacted Files	Coverage Δ
...ommon/dto/convert/rule/impl/KeyAuthRuleHandle.java	43.75% <43.75%> (ø)
...g/apache/shenyu/plugin/key/auth/KeyAuthPlugin.java	90.00% <90.00%> (ø)
...ava/org/apache/shenyu/common/enums/PluginEnum.java	100.00% <100.00%> (ø)
...gin/key/auth/handler/KeyAuthPluginDataHandler.java	100.00% <100.00%> (ø)
...er/plugin/key/auth/KeyAuthPluginConfiguration.java	100.00% <100.00%> (ø)
...va/org/apache/shenyu/plugin/cache/CachePlugin.java	81.57% <0.00%> (-7.90%)	:arrow_down:
...che/shenyu/sync/data/http/HttpSyncDataService.java	85.71% <0.00%> (-4.09%)	:arrow_down:
...ruptor/RegisterClientServerDisruptorPublisher.java	64.70% <0.00%> (+11.76%)	:arrow_up:
...controller/ShenyuClientHttpRegistryController.java	100.00% <0.00%> (+22.22%)	:arrow_up:

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[Albertsirius]

@yu199195 Have modified and fixed the SQL scripts. Pls reviewed.

[Albertsirius]

@yu199195 Fixed the conflicting files