Bump prettier-plugin-tailwindcss (#1414)

Bumps the tailwindcss group with 1 update in the /src/Elastic.Documentation.Site directory: [prettier-plugin-tailwindcss](https://github.com/tailwindlabs/prettier-plugin-tailwindcss).


Updates `prettier-plugin-tailwindcss` from 0.6.12 to 0.6.13
- [Release notes](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/blob/main/CHANGELOG.md)
- [Commits](tailwindlabs/prettier-plugin-tailwindcss@v0.6.12...v0.6.13)

---
updated-dependencies:
- dependency-name: prettier-plugin-tailwindcss
  dependency-version: 0.6.13
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: tailwindcss
...

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

Author: dependabot[bot]

src/Elastic.Documentation.Site/package-lock.json

@@ -43,7 +43,7 @@
     "postcss": "8.5.6",
     "postcss-import": "16.1.0",
     "prettier": "3.5.3",
-    "prettier-plugin-tailwindcss": "0.6.12",
+    "prettier-plugin-tailwindcss": "0.6.13",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "typescript-eslint": "8.34.0"