chore(package.json): bump version to 3.0.0 and update Node.js requirement to >=24

Author: Himenon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@himenon/message-command-parser",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "description": "Parse space- and colon-separated messages into parameters",
   "keywords": [
     "command parser",
@@ -78,8 +78,7 @@
     "vitest": "^4.1.6"
   },
   "engines": {
-    "node": ">=20",
-    "pnpm": ">=8"
+    "node": ">=24"
   },
   "packageManager": "pnpm@10.27.0"
 }