src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/SkipUpdateAction/update
class SkipUpdateAction:	override update() {
		if (!this.extension) {
			return;
		}
		if (this.extension.isBuiltin) {
			this.enabled = false;
			return;
		}
		super.update();
		this._checked = this.extensionsWorkbenchService.isExtensionIgnoresUpdates(this.extension);
	}