Bump gatsby-plugin-glamor from 1.6.11 to 1.6.13

Bumps [gatsby-plugin-glamor](https://github.com/gatsbyjs/gatsby) from 1.6.11 to 1.6.13.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits)

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

Author: dependabot-support

package-lock.json

@@ -17,7 +17,7 @@
     "gatsby-link": "^1.6.46",
     "gatsby-plugin-catch-links": "^1.0.26",
     "gatsby-plugin-favicon": "^2.1.1",
-    "gatsby-plugin-glamor": "^1.6.10",
+    "gatsby-plugin-glamor": "^1.6.13",
     "gatsby-plugin-google-fonts": "0.0.4",
     "gatsby-plugin-react-helmet": "^2.0.11",
     "gatsby-plugin-typography": "^1.7.19",