Automated SDK update

This updates the SDK from internal repo commit segmentio/public-api@d981058f.

Author: APIs and Common Services team

Segment.PublicApi.sln

@@ -2,18 +2,18 @@
 # Visual Studio 2012
 VisualStudioVersion = 12.0.0.0
 MinimumVisualStudioVersion = 10.0.0.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Segment.PublicApi", "src\Segment.PublicApi\Segment.PublicApi.csproj", "{BE532979-F8E7-40A2-9102-9C3F193F5436}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Segment.PublicApi", "src\Segment.PublicApi\Segment.PublicApi.csproj", "{ACA764B4-7BC1-4BC4-B7C3-321D89E57575}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{BE532979-F8E7-40A2-9102-9C3F193F5436}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{BE532979-F8E7-40A2-9102-9C3F193F5436}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{BE532979-F8E7-40A2-9102-9C3F193F5436}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{BE532979-F8E7-40A2-9102-9C3F193F5436}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ACA764B4-7BC1-4BC4-B7C3-321D89E57575}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ACA764B4-7BC1-4BC4-B7C3-321D89E57575}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ACA764B4-7BC1-4BC4-B7C3-321D89E57575}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ACA764B4-7BC1-4BC4-B7C3-321D89E57575}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE