Standalone Keyword: Warning: Failed prop type `label` is marked as required

[igorschoester]

• [x] I've read and understood the contribution guidelines.
• [x] I've searched for any related issues and avoided creating a duplicate issue.

Please give us a description of what happened.

Please describe what you expected to happen and why.

How can we reproduce this behavior?

1. In the standalone.
2. Goto the Keyword tab.
3. Check the dev console.

Technical info

• yoast-components version: 4.15.0 just before update to 4.16.0