Bump @astrojs/rss from 4.0.7 to 4.0.9

Bumps [@astrojs/rss](https://github.com/withastro/astro/tree/HEAD/packages/astro-rss) from 4.0.7 to 4.0.9.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro-rss/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/rss@4.0.9/packages/astro-rss)

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

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

Author: dependabot[bot]

package-lock.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@astrojs/mdx": "^3.1.7",
     "@astrojs/netlify": "^5.5.3",
-    "@astrojs/rss": "^4.0.7",
+    "@astrojs/rss": "^4.0.9",
     "@astrojs/sitemap": "^3.2.0",
     "@astrojs/svelte": "^5.7.2",
     "@astrojs/tailwind": "^5.1.2",