fix: Update project name in solution file

[askpt]

This PR

This pull request includes a small change to the OpenFeature.sln file. The change renames the project from "." to ".root" to fix the current build issues.

• OpenFeature.sln: Renamed project from "." to ".root" to improve clarity.

Notes

• Check build for details: https://github.com/open-feature/dotnet-sdk/actions/runs/13279965378/job/37076213831

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.13%. Comparing base (96ba568) to head (424d231).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #380   +/-   ##
=======================================
  Coverage   86.13%   86.13%           
=======================================
  Files          39       39           
  Lines        1601     1601           
  Branches      173      173           
=======================================
  Hits         1379     1379           
  Misses        186      186           
  Partials       36       36           

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

[beeme1mr]

Do you know what changed that made this an issue now?

[askpt]

Do you know what changed that made this an issue now?

@beeme1mr most likely the sdk update. In our GH actions we setup using 9.0.x. So anything "minor" is used instead of a fixed version.