chore: refine the hg-style.xml specification

[returnToInnocence]

Purpose of the PR

• fix the [Summary] Enhance code style warnings in server #2435 's subtask of refine the hg-style.xml specification.

Main Changes

• Change the maximum wrap text length for XML and Java to 120 —— hard wrap at should be set to 120.
• Add a blank line between method definitions, inner class definitions, and static code blocks —— after the anonymous class header and before the method body.
• For Properties files, add the option "KEEP_BLANK_LINES."
• Adjust the overall indentation to 4, following the indentation conventions of the save action.

Verifying these changes

• Trivial rework / code cleanup without any test coverage. (No Need)
• Already covered by existing tests, such as (please modify tests here).
• Need tests and can be verified as follows:
  • xxx

Does this PR potentially affect the following parts?

• Nope
• Dependencies (add/update license info)
• Modify configurations
• The public API
• Other affects (typed here)

Documentation Status

• Doc - TODO
• Doc - Done
• Doc - No Need

[codecov]

Codecov Report

Attention: 83 lines in your changes are missing coverage. Please review.

Comparison is base (5cb9aad) 66.25% compared to head (786213f) 66.24%.

Files	Patch %	Lines
...n/java/org/apache/hugegraph/api/graph/EdgeAPI.java	54.54%	7 Missing and 8 partials ⚠️
...java/org/apache/hugegraph/api/graph/VertexAPI.java	7.14%	12 Missing and 1 partial ⚠️
.../org/apache/hugegraph/opencypher/CypherPlugin.java	0.00%	6 Missing ⚠️
...egraph/backend/store/cassandra/CassandraShard.java	37.50%	5 Missing ⚠️
...egraph/backend/store/cassandra/CassandraStore.java	50.00%	4 Missing and 1 partial ⚠️
.../java/org/apache/hugegraph/api/graph/BatchAPI.java	33.33%	4 Missing ⚠️
.../apache/hugegraph/api/filter/LoadDetectFilter.java	25.00%	3 Missing ⚠️
...ain/java/org/apache/hugegraph/api/job/TaskAPI.java	0.00%	3 Missing ⚠️
...egraph/backend/store/cassandra/CassandraTable.java	62.50%	1 Missing and 2 partials ⚠️
...raph/backend/store/rocksdb/RocksDBStdSessions.java	81.25%	3 Missing ⚠️
... and 16 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2454      +/-   ##
============================================
- Coverage     66.25%   66.24%   -0.01%     
- Complexity      827      828       +1     
============================================
  Files           511      511              
  Lines         42586    42590       +4     
  Branches       5935     5939       +4     
============================================
+ Hits          28214    28215       +1     
- Misses        11563    11569       +6     
+ Partials       2809     2806       -3     

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