chore: update Code to 1.71.1 (#5558)

* chore: update Code to 1.71.1

* chore: refresh patches

* docs: add quilt refresh tip

patches/disable-builtin-ext-update.diff

@@ -18,7 +18,7 @@ Index: code-server/lib/vscode/src/vs/workbench/contrib/extensions/browser/extens
  			if (!this.local.preRelease && this.gallery.properties.isPreReleaseVersion) {
  				return false;
  			}
-@@ -1121,6 +1125,10 @@ export class ExtensionsWorkbenchService
+@@ -1121,6 +1125,10 @@ export class ExtensionsWorkbenchService 
  				// Skip if check updates only for builtin extensions and current extension is not builtin.
  				continue;
  			}