feat: add rss-parser dependency to package.json

Author: mgunnin

agent/package.json

@@ -106,6 +106,7 @@
         "@elizaos/plugin-nft-collections": "workspace:*",
         "@elizaos/plugin-pyth-data": "workspace:*",
         "@elizaos/plugin-openai": "workspace:*",
+        "rss-parser": "^3.13.0",
         "readline": "1.3.0",
         "ws": "8.18.0",
         "yargs": "17.7.2"