bring bundle config up-to-date with rollup template

https://github.com/jakejarvis/rollup-module-template

package.json

@@ -1,13 +1,13 @@
 {
   "name": "simple-anchor",
   "version": "1.0.3",
+  "description": "A bare-bones fork of AnchorJS.",
+  "license": "MIT",
+  "homepage": "https://github.com/jakejarvis/simple-anchor",
   "author": "Jake Jarvis (https://github.com/jakejarvis)",
   "contributors": [
     "Bryan Braun (https://github.com/bryanbraun)"
   ],
-  "description": "A bare-bones fork of AnchorJS.",
-  "license": "MIT",
-  "homepage": "https://github.com/jakejarvis/simple-anchor",
   "repository": {
     "type": "git",
     "url": "https://github.com/jakejarvis/simple-anchor.git"
@@ -27,24 +27,29 @@
   },
   "scripts": {
     "build": "rollup -c",
+    "watch": "rollup -c -w",
     "lint": "eslint .",
     "prepublishOnly": "yarn build"
   },
   "dependencies": {},
   "devDependencies": {
-    "@babel/core": "^7.15.0",
-    "@babel/preset-env": "^7.15.0",
+    "@babel/core": "^7.15.8",
+    "@babel/eslint-parser": "^7.15.8",
+    "@babel/preset-env": "^7.15.8",
     "@jakejarvis/eslint-config": "*",
     "@rollup/plugin-babel": "^5.3.0",
+    "@rollup/plugin-commonjs": "^21.0.0",
     "@rollup/plugin-eslint": "^8.0.1",
-    "@rollup/plugin-node-resolve": "^13.0.4",
-    "eslint": "^7.32.0",
+    "@rollup/plugin-node-resolve": "^13.0.5",
+    "builtin-modules": "^3.2.0",
+    "eslint": "^8.0.0",
     "eslint-plugin-compat": "^3.13.0",
-    "eslint-plugin-import": "^2.24.2",
-    "rollup": "^2.56.3",
+    "eslint-plugin-import": "^2.25.2",
+    "rollup": "^2.58.0",
     "rollup-plugin-copy": "^3.4.0",
     "rollup-plugin-delete": "^2.0.0",
     "rollup-plugin-filesize": "^9.1.1",
+    "rollup-plugin-node-externals": "^2.2.0",
     "rollup-plugin-terser": "^7.0.2"
   },
   "keywords": [