chore(deps): update dependency @11ty/eleventy-plugin-rss to v2

Author: renovate[bot]

package-lock.json

@@ -33,7 +33,7 @@
         "@11ty/eleventy-img": "^3.1.8",
         "@11ty/eleventy-navigation": "^0.3.5",
         "@11ty/eleventy-plugin-bundle": "^1.0.5",
-        "@11ty/eleventy-plugin-rss": "^1.2.0",
+        "@11ty/eleventy-plugin-rss": "^2.0.0",
         "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
         "@gouvfr/dsfr": "^1.11.0",
         "chalk": "^4.1.2",