Fixed old-style connection string

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 80.31%. Comparing base (434c496) to head (1c06ca3).
⚠️ Report is 97 commits behind head on master.

Files with missing lines	Patch %	Lines
...rc/main/java/tech/ydb/jdbc/settings/YdbConfig.java	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #134      +/-   ##
============================================
- Coverage     80.32%   80.31%   -0.01%     
  Complexity     2361     2361              
============================================
  Files            68       68              
  Lines          6439     6438       -1     
  Branches        821      820       -1     
============================================
- Hits           5172     5171       -1     
  Misses          905      905              
  Partials        362      362              

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