build(deps): bump gatsby-plugin-react-helmet in /packages/website

Bumps [gatsby-plugin-react-helmet](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-react-helmet) from 5.10.0 to 5.12.1.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-react-helmet/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-plugin-react-helmet@5.12.1/packages/gatsby-plugin-react-helmet)

---
updated-dependencies:
- dependency-name: gatsby-plugin-react-helmet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/website/package.json

@@ -18,7 +18,7 @@
     "gatsby-plugin-image": "2.12.1",
     "gatsby-plugin-manifest": "4.11.1",
     "gatsby-plugin-postcss": "5.12.1",
-    "gatsby-plugin-react-helmet": "5.10.0",
+    "gatsby-plugin-react-helmet": "5.12.1",
     "gatsby-plugin-robots-txt": "1.7.1",
     "gatsby-plugin-sharp": "4.12.1",
     "gatsby-plugin-sitemap": "5.11.1",

packages/website/yarn.lock

@@ -6347,10 +6347,10 @@ gatsby-plugin-postcss@5.12.1:
     "@babel/runtime" "^7.15.4"
     postcss-loader "^4.3.0"
 
-gatsby-plugin-react-helmet@5.10.0:
-  version "5.10.0"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-react-helmet/-/gatsby-plugin-react-helmet-5.10.0.tgz#d6491d35d4b4e3bb36631c1a93f4e53913f42cbb"
-  integrity sha512-QcypYLqnwKoD84f9c6Yfajs/sLfVmxPSOPWwHaK+3NG1IjmmQrL42qn2CP6gs29WznGzrThGeGiwIVdA5x31JA==
+gatsby-plugin-react-helmet@5.12.1:
+  version "5.12.1"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-react-helmet/-/gatsby-plugin-react-helmet-5.12.1.tgz#98205abb73cd7a522f2891b3a42514ae2b41ca57"
+  integrity sha512-lW9uRpkccSj0NC41dunFM4AoDuQockgpWHcvLivzGWMnWYtGWPNci7zy8+NUL1+6CchQqWTr0LZEeGYgpHym+w==
   dependencies:
     "@babel/runtime" "^7.15.4"