feat(server): support new backend Hstore

[VGalaxies]

subtask of #2483

[codecov]

Codecov Report

Attention: Patch coverage is 4.83829% with 3678 lines in your changes missing coverage. Please review.

Project coverage is 53.07%. Comparing base (37e71c4) to head (975bba5).

Files	Patch %	Lines
...pache/hugegraph/meta/managers/AuthMetaManager.java	0.00%	471 Missing ⚠️
...in/java/org/apache/hugegraph/meta/MetaManager.java	0.00%	366 Missing ⚠️
...ache/hugegraph/backend/tx/SchemaTransactionV2.java	0.00%	296 Missing ⚠️
...pache/hugegraph/task/DistributedTaskScheduler.java	0.00%	272 Missing ⚠️
...graph/backend/cache/CachedSchemaTransactionV2.java	0.00%	231 Missing ⚠️
...in/java/org/apache/hugegraph/space/GraphSpace.java	0.00%	230 Missing ⚠️
.../main/java/org/apache/hugegraph/space/Service.java	0.00%	161 Missing ⚠️
...che/hugegraph/meta/managers/SchemaMetaManager.java	0.00%	149 Missing ⚠️
...java/org/apache/hugegraph/meta/EtcdMetaDriver.java	0.00%	142 Missing ⚠️
.../apache/hugegraph/task/TaskAndResultScheduler.java	0.00%	137 Missing ⚠️
... and 48 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2560      +/-   ##
============================================
- Coverage     56.42%   53.07%   -3.36%     
- Complexity      586      827     +241     
============================================
  Files           612      643      +31     
  Lines         49672    53387    +3715     
  Branches       6681     7018     +337     
============================================
+ Hits          28029    28336     +307     
- Misses        18833    22216    +3383     
- Partials       2810     2835      +25     

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