upgrade dependencies 2

package.json

@@ -39,15 +39,16 @@
   },
   "sideEffects": false,
   "devDependencies": {
-    "@observablehq/tape": "~0.0.1",
-    "eslint": "6",
+    "eslint": "7",
     "esm": "3",
-    "rollup": "1",
+    "rollup": "2",
     "rollup-plugin-node-resolve": "5",
-    "rollup-plugin-terser": "5"
+    "rollup-plugin-terser": "7",
+    "tape": "4",
+    "tape-await": "0.1"
   },
   "scripts": {
-    "test": "tape -r esm 'test/**/*-test.js' && eslint src test",
+    "test": "./test/run.sh",
     "prepublishOnly": "yarn test && rm -rf dist && rollup -c",
     "postpublish": "git push && git push --tags && zip -j dist/${npm_package_name}.zip -- LICENSE README.md dist/${npm_package_name}.js dist/${npm_package_name}.min.js"
   }

test/delaunay-test.js

@@ -1,5 +1,5 @@
-import tape from "@observablehq/tape";
-import Delaunay from "../src/delaunay.js";
+import tape from "tape-await";
+import Delaunay from "../src/delaunay.js"
 import Context from "./context.js";
 
 tape("Delaunay.from(array)", test => {

test/run.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+tape -r esm ${@:-'test/**/*-test.js'} && eslint src

test/voronoi-test.js

@@ -1,4 +1,4 @@
-import tape from "@observablehq/tape";
+import tape from "tape-await";
 import Delaunay from "../src/delaunay.js";
 import Context from "./context.js";