Update .NET SDK

Author: danielpalme

.github/workflows/ci.yml

@@ -95,7 +95,7 @@ jobs:
         license: '${{ secrets.REPORTGENERATOR_LICENSE }}'
 
     - name: 'Publish coverage summary'
-      run: $env:GITHUB_STEP_SUMMARY = $env:GITHUB_STEP_SUMMARY = type .\src\target\reports\coverage\SummaryGithub.md
+      run: $env:GITHUB_STEP_SUMMARY = type .\src\target\reports\coverage\SummaryGithub.md
 
     - name: 'Publish code coverage results'
       uses: actions/upload-artifact@v3