455.execute script short api

[ekuvardin]

Connected to
#455
#456

Add ability to run arbitrary script

Old pr #541 will close

[codecov-commenter]

Codecov Report

❌ Patch coverage is 83.06452% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.16%. Comparing base (3fd06dd) to head (b1113cc).

Files with missing lines	Patch %	Lines
...a/tech/ydb/query/script/impl/ScriptClientImpl.java	67.34%	9 Missing and 7 partials ⚠️
...b/query/script/settings/ExecuteScriptSettings.java	84.00%	4 Missing ⚠️
...tech/ydb/query/script/result/ScriptResultPart.java	90.90%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #557      +/-   ##
============================================
+ Coverage     62.86%   63.16%   +0.29%     
- Complexity     2443     2482      +39     
============================================
  Files           332      339       +7     
  Lines         13969    14093     +124     
  Branches       1409     1414       +5     
============================================
+ Hits           8782     8902     +120     
+ Misses         4541     4536       -5     
- Partials        646      655       +9     

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