build(deps): bump gatsby-plugin-canonical-urls in /docs

Bumps [gatsby-plugin-canonical-urls](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-canonical-urls) from 2.7.0 to 2.10.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-canonical-urls/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/[email protected]/packages/gatsby-plugin-canonical-urls)

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

Author: dependabot[bot]

docs/package-lock.json

@@ -13,7 +13,7 @@
     "emotion-theming": "^10.0.27",
     "gatsby": "^2.29.3",
     "gatsby-alias-imports": "^1.0.6",
-    "gatsby-plugin-canonical-urls": "^2.7.0",
+    "gatsby-plugin-canonical-urls": "^2.10.0",
     "gatsby-plugin-catch-links": "^2.7.0",
     "gatsby-plugin-emotion": "^4.3.10",
     "gatsby-plugin-google-analytics": "^2.8.0",
@@ -22,7 +22,7 @@
     "gatsby-plugin-netlify": "^2.11.0",
     "gatsby-plugin-netlify-cache": "^1.2.0",
     "gatsby-plugin-offline": "^3.10.0",
-    "gatsby-plugin-react-helmet": "^3.7.0",
+    "gatsby-plugin-react-helmet": "^3.10.0",
     "gatsby-plugin-react-svg": "^3.0.0",
     "gatsby-plugin-robots-txt": "^1.5.1",
     "gatsby-plugin-sharp": "^2.14.1",