Update codecov/codecov-action action to v7

Author: renovate[bot]

.github/workflows/main.yml

@@ -49,7 +49,7 @@ jobs:
         run: dotnet test --configuration Release --verbosity normal --collect:"XPlat Code Coverage"
 
       - name: Upload Code Coverage
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v7
 
   create_nuget:
     runs-on: ubuntu-latest