Upgrade node to 18

[krzysztofzuraw]

Fixes: #2525. This PR updates Node.js to the current LTS: 18.x.x.

What was done

• Upgrade to Node.js in version 18.x.x in:
  • package.json
  • nvmrc
  • docker
• Update GHA scripts to point to .nvmrc files instead of the hardcoded version in workflows
• Split build and start npm scripts with generating types into prebuild & prestart (for better readability)

Problems

Broken webpack

Starting from Node.js version 17.x.x maintainers deprecate legacy OpenSSL provider. This is causing our Webpack to throw Error: error:0308010C:digital envelope routines::unsupported while running any command. Suggested workaround is to add NODE_OPTIONS=--openssl-legacy-provider every time we use Webpack in our scripts. There is no fix in the current Webpack release yet 😞.

What we can do?

1. Stay on version 16.x.x for now and upgrade the Webpack to the newest version (in other PR)
2. Stay on version 18.x.x and add flags plus upgrade the Webpack to the newest version (in other PR). In this solution, we can't use Node.js in 16.x.x as NODE_OPTIONS are incompatible between 16 and 18.

---

Pull Request Checklist

1. This code contains UI changes
2. All visible strings are translated with proper context including data-formatting
3. Attributes [data-test-id] are added for new elements
4. Changes are mentioned in the changelog
5. The changes are tested in different browsers and in light/dark mode

Test environment config

API_URI=https://automation-dashboard.staging.saleor.cloud/graphql/
MARKETPLACE_URL=https://apps.saleor.io
SALEOR_APPS_ENDPOINT=https://apps.saleor.io/api/saleor-apps

Do you want to run more stable tests?

To run all tests, just select the stable checkbox. To speed up tests, increase the number of containers. Tests will be re-run only when the "run e2e" label is added.

1. stable
2. giftCard
3. category
4. collection
5. attribute
6. productType
7. shipping
8. customer
9. permissions
10. menuNavigation
11. pages
12. sales
13. vouchers
14. homePage
15. login
16. orders
17. products
18. app
19. plugins
20. translations
21. navigation
22. variants

CONTAINERS=2

[lkostrowski]

cc @zaiste xmas is earlier 🎁 ;)

[zaiste]

cc @zaiste xmas is earlier 🎁 ;)

This can be one of the best presents I ever received ;)

[andrzejewsky]

So much gratefulness within one PR <3 see @krzysztofzuraw you made them a day :D

Let's test this carefully. The node is just a builder for us so if the building process works we can merge it

[karolm-saleor]

lgtm

[andrzejewsky]

to the moon 🚀