rm @types/exect; add @types/node

Author: mbostock

package.json

@@ -47,8 +47,8 @@
     "@rollup/plugin-node-resolve": "^15.0.1",
     "@rollup/plugin-terser": "^0.1.0",
     "@types/d3": "^7.4.0",
-    "@types/expect": "^24.3.0",
     "@types/mocha": "^10.0.1",
+    "@types/node": "^18.11.13",
     "@typescript-eslint/eslint-plugin": "^5.25.0",
     "@typescript-eslint/parser": "^5.25.0",
     "canvas": "^2.0.0",