Added returning of database version to metadata

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.

Project coverage is 79.86%. Comparing base (5738f59) to head (e33a730).

Files with missing lines	Patch %	Lines
...rc/main/java/tech/ydb/jdbc/context/YdbContext.java	70.00%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #126      +/-   ##
============================================
- Coverage     79.88%   79.86%   -0.02%     
- Complexity     2335     2338       +3     
============================================
  Files            68       68              
  Lines          6388     6398      +10     
  Branches        816      818       +2     
============================================
+ Hits           5103     5110       +7     
- Misses          926      927       +1     
- Partials        359      361       +2     

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