SNOW-1444876: Support for TOML connections

[sfc-gh-jmartinezramirez]

Description

Support reading configuration from toml configuration file.

Checklist

• Code compiles correctly
• Code is formatted according to Coding Conventions
• Created tests which fail without the change (if possible)
• All tests passing (dotnet test)
• Extended the README / documentation, if necessary
• Provide JIRA issue id (if possible) or GitHub issue id in PR name

[codecov]

Codecov Report

Attention: Patch coverage is 92.64706% with 10 lines in your changes missing coverage. Please review.

Project coverage is 86.39%. Comparing base (4392447) to head (615718a).

Files with missing lines	Patch %	Lines
Snowflake.Data/Core/TomlConnectionBuilder.cs	95.09%	2 Missing and 3 partials ⚠️
Snowflake.Data/Core/Tools/FileOperations.cs	50.00%	3 Missing and 1 partial ⚠️
Snowflake.Data/Core/Tools/UnixOperations.cs	88.88%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #995      +/-   ##
==========================================
+ Coverage   86.15%   86.39%   +0.24%     
==========================================
  Files         120      121       +1     
  Lines       11648    11779     +131     
  Branches     1174     1196      +22     
==========================================
+ Hits        10035    10177     +142     
+ Misses       1330     1319      -11     
  Partials      283      283              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sfc-gh-pmotacki]

The implementation of using toml file configuration is correct. Testing scenarios looks good. One thing, maybe there is a chance to extract some parts of configure test data because of duplications but not very important.

[sfc-gh-knozderko]

Please check tests that are failing.