Fix the build validation

src/Tools/BuildBoss/RoslynProjectData.cs

@@ -52,6 +52,8 @@ internal static class RoslynProjectKindUtil
                     return RoslynProjectKind.DeploymentTest;
                 case "Vsix":
                     return RoslynProjectKind.Vsix;
+                case "Dependency":
+                    return RoslynProjectKind.Depedency;
                 case "Custom":
                     return RoslynProjectKind.Custom;
                 default: