Test against most recent React 17 version (#1354)

Author: snowystinger

package.json

@@ -17,15 +17,15 @@
     "check-types": "tsc",
     "start": "cross-env NODE_ENV=storybook start-storybook -p 9003 --ci -c '.storybook'",
     "build:storybook": "build-storybook -c .storybook -o dist/$(git rev-parse HEAD)/storybook",
-    "build:storybook-17": "yarn add -W react@17.0.0-rc.1 react-dom@17.0.0-rc.1 && NODE_ENV=production build-storybook -c .storybook -o dist/$(git rev-parse HEAD)/storybook-17",
+    "build:storybook-17": "yarn add -W react@^17.0.1 react-dom@^17.0.1 && NODE_ENV=production build-storybook -c .storybook -o dist/$(git rev-parse HEAD)/storybook-17",
     "start:chromatic": "NODE_ENV=storybook start-storybook -p 9004 --ci -c '.chromatic'",
     "build:chromatic": "build-storybook -c .chromatic -o dist/$(git rev-parse HEAD)/chromatic",
     "start:docs": "PARCEL_WORKER_BACKEND=process DOCS_ENV=dev parcel 'packages/@react-{spectrum,aria,stately}/*/docs/*.mdx' 'packages/dev/docs/pages/**/*.mdx'",
     "build:docs": "PARCEL_WORKER_BACKEND=process DOCS_ENV=staging parcel build 'packages/@react-{spectrum,aria,stately}/*/docs/*.mdx' 'packages/dev/docs/pages/**/*.mdx' --no-scope-hoist",
     "test": "yarn jest",
     "test:ssr": "yarn jest --config jest.ssr.config.js",
     "ci-test": "yarn jest --maxWorkers=2 && yarn test:ssr --runInBand",
-    "ci-test-17": "yarn add -W react@17.0.0-rc.1 react-dom@17.0.0-rc.1 && yarn jest --maxWorkers=2 && yarn test:ssr --runInBand",
+    "ci-test-17": "yarn add -W react@^17.0.1 react-dom@^17.0.1 && yarn jest --maxWorkers=2 && yarn test:ssr --runInBand",
     "lint": "yarn check-types && eslint packages --ext .js,.ts,.tsx && node scripts/lint-packages.js",
     "jest": "node scripts/jest.js",
     "copyrights": "babel-node --presets @babel/env ./scripts/addHeaders.js",