Replace CI file referenced in solution

skip-checks: true

Author: atifaziz

DocoptNet.sln

@@ -16,7 +16,7 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{9967E170-11B4-4859-A3AA-10A960CF9D86}"
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
-		appveyor.yml = appveyor.yml
+		.github\workflows\ci.yml = .github\workflows\ci.yml
 		Directory.Build.props = Directory.Build.props
 		global.json = global.json
 		LICENSE-MIT = LICENSE-MIT