Bump @r2wc/react-to-web-component in /src/Elastic.Documentation.Site (#1956)

Bumps [@r2wc/react-to-web-component](https://github.com/bitovi/react-to-web-component) from 2.0.4 to 2.1.0.
- [Release notes](https://github.com/bitovi/react-to-web-component/releases)
- [Commits](https://github.com/bitovi/react-to-web-component/compare/@r2wc/react-to-web-component/v2.0.4...@r2wc/react-to-web-component/v2.1.0)

---
updated-dependencies:
- dependency-name: "@r2wc/react-to-web-component"
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

@@ -74,7 +74,7 @@
     "@emotion/css": "11.13.5",
     "@emotion/react": "11.14.0",
     "@microsoft/fetch-event-source": "2.0.1",
-    "@r2wc/react-to-web-component": "2.0.4",
+    "@r2wc/react-to-web-component": "2.1.0",
     "@tanstack/react-query": "^5.87.4",
     "@uidotdev/usehooks": "2.4.1",
     "clipboard": "2.0.11",