build(deps): bump prop-types from 15.8.0 to 15.8.1 in /docs (golangci#2546)

Bumps [prop-types](https://github.com/facebook/prop-types) from 15.8.0 to 15.8.1.
- [Release notes](https://github.com/facebook/prop-types/releases)
- [Changelog](https://github.com/facebook/prop-types/blob/main/CHANGELOG.md)
- [Commits](facebook/prop-types@v15.8.0...v15.8.1)

---
updated-dependencies:
- dependency-name: prop-types
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/package-lock.json

@@ -39,7 +39,7 @@
     "gatsby-transformer-yaml": "^2.11.0",
     "polished": "^4.1.3",
     "prism-react-renderer": "^1.2.1",
-    "prop-types": "^15.8.0",
+    "prop-types": "^15.8.1",
     "puppeteer": "^13.0.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",