chore: update dependencies

Co-authored-by: Thijs Louisse <Thijs.Louisse@ing.com>
Co-authored-by: Thomas Allmer <Thomas.Allmer@ing.com>

package.json

@@ -2,10 +2,6 @@
   "private": true,
   "name": "@lion/root",
   "license": "MIT",
-  "workspaces": [
-    "packages/*",
-    "packages-node/*"
-  ],
   "scripts": {
     "build": "rocket build",
     "build:types": "tsc -p tsconfig.build.types.json",
@@ -17,7 +13,7 @@
     "format": "npm run format:eslint && npm run format:prettier",
     "format:eslint": "eslint --ext .js,.html . --fix",
     "format:prettier": "prettier \"**/*.{js,md}\" \"packages/*/package.json\" \"package.json\" --write",
-    "postinstall": "npm run custom-elements-manifest",
+    "postinstall": "npm run custom-elements-manifest && patch-package",
     "lint": "run-p lint:*",
     "lint:eclint": "git ls-files | xargs eclint check",
     "lint:eslint": "eslint --ext .js,.html .",
@@ -36,6 +32,10 @@
     "test:screenshots": "rimraf screenshots/.diff/ && rimraf screenshots/.current/ && mocha --require scripts/screenshots/bootstrap.js --exit --timeout 10000 \"packages/**/test/*.screenshots-test.js\"",
     "test:screenshots:update": "cross-env UPDATE_SCREENSHOTS=true npm run test:screenshots"
   },
+  "workspaces": [
+    "packages/*",
+    "packages-node/*"
+  ],
   "devDependencies": {
     "@babel/core": "^7.10.1",
     "@bundled-es-modules/fetch-mock": "^6.5.2",
@@ -45,8 +45,8 @@
     "@custom-elements-manifest/analyzer": "^0.1.8",
     "@open-wc/building-rollup": "^1.2.1",
     "@open-wc/eslint-config": "^4.2.0",
-    "@open-wc/testing": "^2.5.18",
-    "@open-wc/testing-helpers": "^1.0.0",
+    "@open-wc/testing": "^3.0.0-next.1",
+    "@open-wc/testing-helpers": "^2.0.0-next.0",
     "@rocket/blog": "^0.3.0",
     "@rocket/cli": "^0.6.2",
     "@rocket/launch": "^0.4.0",
@@ -59,9 +59,9 @@
     "@types/prettier": "^2.2.1",
     "@web/dev-server": "^0.1.8",
     "@web/dev-server-legacy": "^0.1.7",
-    "@web/test-runner": "^0.12.15",
+    "@web/test-runner": "^0.13.4",
     "@web/test-runner-browserstack": "^0.4.2",
-    "@web/test-runner-playwright": "^0.8.4",
+    "@web/test-runner-playwright": "^0.8.6",
     "babel-polyfill": "^6.26.0",
     "bundlesize": "^1.0.0-beta.2",
     "chai": "^4.2.0",
@@ -87,7 +87,9 @@
     "mock-fs": "^4.10.1",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.0.0",
+    "patch-package": "^6.4.7",
     "playwright": "^1.7.1",
+    "postinstall-postinstall": "^2.1.0",
     "prettier": "^2.0.5",
     "prettier-package-json": "^2.1.3",
     "remark-html": "^11.0.1",