[KOA-6197] Add BpkNudgerRow component

[anambl]

BpkNudgerRow is a new component made up of the BpkNudger and BpkLabel.
If you are using BpkNudger together with a label, consider migrating to BpkNudgerRow to inherit the accessible structure and styling of the component ✨

The API is almost entirely the same as the BpkNudger API for an easy migration:

• Remove the label component and instead pass the title and subtitle props accordingly.
• Replace the id prop with nudgerId.

That is all! Here's an easy migration example:

<div>
  <BpkLabel id="passenger-label" htmlFor={id} className={labelClassName}>
      Number of passengers
  </BpkLabel>
  <BpkNudger
      aria-labelledby="passenger-label"
      id={id}
      min={1}
      max={10}
      value={value}
      onChange={handleChange}
      decreaseButtonLabel="Remove passenger"
      increaseButtonLabel="Add passenger"
      buttonType={buttonType}
   />
</div>

to

<div>
  <BpkNudgerRow
      nudgerId={id}
      min={1}
      max={10}
      value={value}
      onChange={handleChange}
      decreaseButtonLabel="Remove passenger"
      increaseButtonLabel="Add passenger"
      title="Number of passengers"
    />
</div>

Remember to include the following changes:

• README.md (If you have created a new component)
• Component README.md
• Tests
• Storybook examples created/updated
• For breaking changes or deprecating components/properties, migration guides added to the description of the PR. If the guide has large changes, consider creating a new Markdown page inside the component's docs folder and link it here

[github-actions]

Browser support

If this is a visual change, make sure you've tested it in multiple browsers.

Generated by 🚫 dangerJS against 4250d35

[github-actions]

Visit https://backpack.github.io/storybook-prs/2926 to see this build running in a browser.

[github-actions]

Visit https://backpack.github.io/storybook-prs/2926 to see this build running in a browser.

[github-actions]

Visit https://backpack.github.io/storybook-prs/2926 to see this build running in a browser.

[olliecurtis]

LGTM!