[csharp] upgrade dependencies to newer versions#5848

Merged

wing328 merged 9 commits intoOpenAPITools:csharp-upgradefrom

Bouillie:csharp-upgrade-fix

Apr 9, 2020

Commits on Apr 7, 2020

On .net45 framework, Restsharp version is updated to 106.10.1 Otherwise, it stays on version 105.1.0
Olivier Leonard
committed
Added additionalProperties for library versions and target frameworks
Olivier Leonard
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Removed unused properties
Olivier Leonard
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Added an additional property to test for a specific version of RestSharp
Olivier Leonard
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Updated csharp samples
Olivier Leonard
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Fixed nuspec.mustache to use library specific additional properties
Olivier Leonard
committed
Updated csharp samples
Olivier Leonard
committed

Commits on Apr 8, 2020

Updating CI/samples.ci csharp petstore test project file.
Olivier Leonard
committed
Updated csharp.md
Olivier Leonard
committed