Make quotes consistent

Author: SteveSandersonMS

templates/package-builder/src/build/build.ts

@@ -134,7 +134,7 @@ function buildDotNetNewNuGetPackage() {
 
         fs.writeFileSync(path.join(templateConfigDir, 'template.json'), JSON.stringify({
             author: 'Microsoft',
-            classifications: ["Web", "MVC", "SPA"],
+            classifications: ['Web', 'MVC', 'SPA'],
             groupIdentity: `Microsoft.AspNetCore.SpaTemplates.${templateConfig.dotNetNewId}`,
             identity: `Microsoft.AspNetCore.SpaTemplates.${templateConfig.dotNetNewId}.CSharp`,
             name: `MVC ASP.NET Core with ${templateConfig.displayName}`,
@@ -154,16 +154,16 @@ function buildDotNetNewNuGetPackage() {
                     replaces: 'sdkVersionInjectedHere'
                 },
                 Framework: {
-                    type: "parameter",
-                    description: "The target framework for the project.",
-                    datatype: "choice",
+                    type: 'parameter',
+                    description: 'The target framework for the project.',
+                    datatype: 'choice',
                     choices: [
                         {
-                            choice: "netcoreapp1.1",
-                            description: "Target netcoreapp1.1"
+                            choice: 'netcoreapp1.1',
+                            description: 'Target netcoreapp1.1'
                         }
                     ],
-                    defaultValue: "netcoreapp1.1"
+                    defaultValue: 'netcoreapp1.1'
                 }
             },
             tags: { language: 'C#', type: 'project' },