MINOR: Bumped up DotNet connector MINOR version from 2.1.5 to 2.2.0

[sfc-gh-knozderko]

@noreview - This is an automated process. No review is required

Description

Bumped up DotNet connector MINOR version from 2.1.5 to 2.2.0

Checklist

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (a6f5261) 84.00% compared to head (c11c7ec) 83.99%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #851 +/- ## ========================================== - Coverage 84.00% 83.99% -0.02% ========================================== Files 89 89 Lines 9313 9313 Branches 859 859 ========================================== - Hits 7823 7822 -1 - Misses 1266 1268 +2 + Partials 224 223 -1 ```

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