Use conpty by default on Windows Insiders

Fixes #70767

src/vs/workbench/contrib/terminal/browser/terminal.contribution.ts

@@ -262,7 +262,7 @@ configurationRegistry.registerConfiguration({
 		'terminal.integrated.windowsEnableConpty': {
 			description: nls.localize('terminal.integrated.windowsEnableConpty', "Whether to use ConPTY for Windows terminal process communication (requires Windows 10 build number 18309+). Winpty will be used if this is false."),
 			type: 'boolean',
-			default: false
+			default: true
 		}
 	}
 });