Bump gatsby-remark-prismjs from 7.13.1 to 7.13.2

Bumps [gatsby-remark-prismjs](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-remark-prismjs) from 7.13.1 to 7.13.2.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-remark-prismjs/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-remark-prismjs@7.13.2/packages/gatsby-remark-prismjs)

---
updated-dependencies:
- dependency-name: gatsby-remark-prismjs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -40,7 +40,7 @@
     "gatsby-remark-code-titles": "^1.1.0",
     "gatsby-remark-copy-linked-files": "^6.13.1",
     "gatsby-remark-images": "^7.13.1",
-    "gatsby-remark-prismjs": "^7.13.1",
+    "gatsby-remark-prismjs": "^7.13.2",
     "gatsby-remark-smartypants": "^6.13.1",
     "gatsby-source-filesystem": "^5.13.1",
     "gatsby-transformer-asciidoc": "^4.13.1",