build(deps-dev): bump gatsby-plugin-page-creator from 3.0.0 to 3.1.0 (#…

…530)

Bumps [gatsby-plugin-page-creator](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-page-creator) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-page-creator/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-plugin-page-creator@3.1.0/packages/gatsby-plugin-page-creator)

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

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

package.json

@@ -72,7 +72,7 @@
     "gatsby": "3.1.0",
     "gatsby-plugin-algolia": "0.16.5",
     "gatsby-plugin-mdx": "2.0.1",
-    "gatsby-plugin-page-creator": "3.0.0",
+    "gatsby-plugin-page-creator": "3.1.0",
     "gatsby-plugin-react-helmet": "4.0.0",
     "gatsby-plugin-react-svg": "3.0.0",
     "gatsby-plugin-sass": "4.0.2",