Bump @next/mdx from 13.1.1 to 13.1.6 (#709)

Bumps [@next/mdx](https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx) from 13.1.1 to 13.1.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v13.1.6/packages/next-mdx)

---
updated-dependencies:
- dependency-name: "@next/mdx"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -19,7 +19,7 @@
     "@hackclub/meta": "1.1.32",
     "@hackclub/theme": "^0.3.3",
     "@mdx-js/loader": "^1.6.22",
-    "@next/mdx": "^13.1.1",
+    "@next/mdx": "^13.1.6",
     "@octokit/auth-app": "^4.0.9",
     "@octokit/core": "^4.0.5",
     "@octokit/rest": "^19.0.7",

yarn.lock

@@ -610,10 +610,10 @@
   dependencies:
     glob "7.1.7"
 
-"@next/mdx@^13.1.1":
-  version "13.1.1"
-  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.1.1.tgz#ca3daf4903a97af65b994d87da342395e488f349"
-  integrity sha512-a588olt++s7vcuhlgrNOBpZUqlbr9vr94NjA3ixM9AgL8fnwJ/GgxEMsrcsp2gPw91lzBlumBfjK6Lc3k3m23Q==
+"@next/mdx@^13.1.6":
+  version "13.1.6"
+  resolved "https://registry.yarnpkg.com/@next/mdx/-/mdx-13.1.6.tgz#53488d2117532d9d4789718cdbbba9c36fa20fd0"
+  integrity sha512-ZLhXXDJeHbudFpSZT68eYQRzOaNwkaw+NuO7Zvnm5XKB6P7hKSj2dS47ZtitrY0JaL3KxR4FoxUSYeLvdoRwtQ==
   dependencies:
     source-map "^0.7.0"