Raise yiisoft/db to ^1.2

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[what-the-diff]

PR Summary

• Update of Database Package Requirement
  The underlying database package 'yiisoft/db', which our software relies on for database operations, has had its version requirement updated. Previously, we were using version 1.0, but we've now moved on to using a later, more up-to-date package, version 1.2. This could result in better performance and enhanced feature availability when interacting with databases.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e439a55) 98.40% compared to head (69c2c78) 98.40%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #247   +/-   ##
=========================================
  Coverage     98.40%   98.40%           
  Complexity      175      175           
=========================================
  Files            16       16           
  Lines           564      564           
=========================================
  Hits            555      555           
  Misses            9        9           

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