build(deps-dev): bump @11ty/eleventy-plugin-rss from 2.0.3 to 2.0.4

Bumps [@11ty/eleventy-plugin-rss](https://github.com/11ty/eleventy-plugin-rss) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/11ty/eleventy-plugin-rss/releases)
- [Commits](11ty/eleventy-plugin-rss@v2.0.3...v2.0.4)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy-plugin-rss"
  dependency-version: 2.0.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
     "@11ty/eleventy": "3.0.0",
     "@11ty/eleventy-img": "^6.0.2",
     "@11ty/eleventy-navigation": "^1.0.4",
-    "@11ty/eleventy-plugin-rss": "^2.0.3",
+    "@11ty/eleventy-plugin-rss": "^2.0.4",
     "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
     "@11ty/eleventy-plugin-webc": "^0.11.2",
     "eleventy-plugin-vento": "^4.2.1"