feat(sqlite): add srtring replace function

[shcheklein]

Adds a replace function to do something like this:

(
    DataChain.from_csv(CROPS_TABLE_PATH, source=False)
             .mutate(filepath=string.replace(C("s3_image_url"), "s3://qco-image-data/", "data/"))
)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.10%. Comparing base (9971e62) to head (fae45ba).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #508   +/-   ##
=======================================
  Coverage   87.10%   87.10%           
=======================================
  Files          92       92           
  Lines        9839     9848    +9     
  Branches     1354     1349    -5     
=======================================
+ Hits         8570     8578    +8     
  Misses        917      917           
- Partials      352      353    +1     

Flag	Coverage Δ
datachain	87.07% <100.00%> (+0.01%)	⬆️

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