build(deps): bump gatsby-plugin-feed from 5.12.0 to 5.12.1

Bumps [gatsby-plugin-feed](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-feed) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-feed/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/[email protected]/packages/gatsby-plugin-feed)

---
updated-dependencies:
- dependency-name: gatsby-plugin-feed
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -22,7 +22,7 @@
     "flexsearch": "^0.7.31",
     "gatsby": "^5.12.5",
     "gatsby-adapter-netlify": "^1.0.1",
-    "gatsby-plugin-feed": "^5.12.0",
+    "gatsby-plugin-feed": "^5.12.1",
     "gatsby-plugin-google-gtag": "^5.12.0",
     "gatsby-plugin-google-tagmanager": "^5.12.0",
     "gatsby-plugin-image": "^3.12.0",