refactor!: remove Sweetistics engine

bird is GraphQL-only; bump to 0.3.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@steipete/bird",
-  "version": "0.2.1",
+  "version": "0.3.0",
   "description": "CLI tool for tweeting and replying via Twitter/X GraphQL API",
   "type": "module",
   "main": "dist/index.js",
@@ -29,7 +29,6 @@
   },
   "dependencies": {
     "commander": "^14.0.2",
-    "devalue": "^5.6.1",
     "json5": "^2.2.3",
     "kleur": "^4.1.5"
   },