Temporary OpenSSL workaround

Due to a change in the OpenSSL API in Node 17, storybook fails to run without openssl-legacy-provider.
This can be omitted by upgrading Storybook to version 7 or higher.

storybookjs/storybook#19692 (comment)

package.json

@@ -3,9 +3,9 @@
   "version": "0.1.0",
   "repository": "https://github.com/danskernesdigitalebibliotek/dpl-design-system",
   "scripts": {
-    "storybook": "start-storybook -p 6006 -s public",
-    "storybook:axe": "build-storybook && axe-storybook",
-    "build-storybook": "build-storybook -s public",
+    "storybook": "NODE_OPTIONS=--openssl-legacy-provider start-storybook -p 6006 -s public",
+    "storybook:axe": "NODE_OPTIONS=--openssl-legacy-provider build-storybook && axe-storybook",
+    "build-storybook": "NODE_OPTIONS=--openssl-legacy-provider build-storybook -s public",
     "js:eslint": "eslint 'src/**/*.{js,ts,tsx}' --max-warnings=0",
     "js:prettier": "prettier 'src/**/*.{js,ts,tsx}'",
     "js:lint": "concurrently 'yarn:js:eslint' 'yarn:js:prettier -- --check' --raw",