update stdlib (#315)

Author: mbostock

yarn.lock

@@ -67,9 +67,9 @@
     isoformat "^0.2.0"
 
 "@observablehq/stdlib@^3.4.1":
-  version "3.14.2"
-  resolved "https://registry.yarnpkg.com/@observablehq/stdlib/-/stdlib-3.14.2.tgz#619e1bd30e6fea3ad13f797acb0fb79c84ed3801"
-  integrity sha512-1lHVdzh1rQ9baICcdd89F1xDl+iQvVTAXPrftEMc5o9X1y2tgdwzYePVqgUGQMGvl70pasayMUDEXplM9CF9cg==
+  version "3.14.3"
+  resolved "https://registry.yarnpkg.com/@observablehq/stdlib/-/stdlib-3.14.3.tgz#e75be4e615b690cdffbb28e41139e1f36f0ca861"
+  integrity sha512-SShJqUg9MWENyxt59dtg20eVL2/d8ETOeg9qd2bWlDjPKRMItjy0DljnhyN45YoHxuXwhXNWqaO11qMCJ2NAgw==
   dependencies:
     d3-dsv "^2.0.0"
     d3-require "^1.2.4"