Escape nuget push command linebreaks

Author: amkillam

.github/workflows/cd.yml

@@ -81,9 +81,9 @@ jobs:
 
       - name: Publish to NuGet
         run: |
-          dotnet nuget push build/packages/*.nupkg
-            --source https://api.nuget.org/v3/index.json
-            --api-key ${{ secrets.NUGET_API_KEY }}
+          dotnet nuget push build/packages/*.nupkg \
+            --source https://api.nuget.org/v3/index.json \
+            --api-key ${{ secrets.NUGET_API_KEY }} \
             --skip-duplicate
         env:
           NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}