fix: make some minor updates (#226)

Author: chrisbreiding

circle.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   tests:
     docker:
-      - image: circleci/node:12
+      - image: cimg/node:12.22.11
     steps:
       - checkout
       - run: npm ci

package-lock.json

@@ -8,7 +8,7 @@
     "build-prod": "node ./scripts/build-prod.js",
     "lint": "eslint --fix src/*.jsx",
     "precommit": "npm run lint",
-    "prepublish": "npm run build-prod",
+    "prepublishOnly": "npm run build-prod",
     "design": "node ./scripts/design.js --port 8888",
     "watch": "node ./scripts/watch.js",
     "test": "node ./scripts/test.js",
@@ -55,7 +55,7 @@
   "peerDependencies": {
     "lodash": "^4.17.11",
     "prop-types": "^15.7.2",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6"
+    "react": ">= 16",
+    "react-dom": ">= 16"
   }
 }