⬆️ Bump gatsby-source-contentful from 5.0.3 to 5.1.0 (#18)

Bumps [gatsby-source-contentful](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-source-contentful) from 5.0.3 to 5.1.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-source-contentful/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/[email protected]/packages/gatsby-source-contentful)

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

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

Author: dependabot[bot]

package-lock.json

@@ -20,7 +20,7 @@
     "gatsby-plugin-sass": "^4.0.2",
     "gatsby-plugin-sharp": "^3.0.1",
     "gatsby-plugin-sitemap": "^3.0.0",
-    "gatsby-source-contentful": "^5.0.3",
+    "gatsby-source-contentful": "^5.1.0",
     "gatsby-source-filesystem": "^3.0.0",
     "gatsby-transformer-sharp": "^3.0.0",
     "react": "^17.0.1",