NOSNOW Fix operating system name

[sfc-gh-knozderko]

Description

Fix operating system name.

Checklist

• [x] Code compiles correctly
• [x] Code is formatted according to Coding Conventions
• [ ] Created tests which fail without the change (if possible)
• [x] All tests passing (dotnet test)
• [x] Extended the README / documentation, if necessary
• [ ] 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:

Project coverage is 86.10%. Comparing base (6b1114a) to head (5e6ddd5).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1047 +/- ## ========================================== - Coverage 86.11% 86.10% -0.01% ========================================== Files 120 120 Lines 11627 11627 Branches 1165 1165 ========================================== - Hits 10013 10012 -1 Misses 1332 1332 - Partials 282 283 +1 ```

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