Add changelog config for release-plan to know how to interpret PRs

package.json

@@ -40,7 +40,19 @@
     "yarn": "1.22.18",
     "pnpm": "8.7.6"
   },
+  "changelog": {
+    "__comment__": "Our release infrastructure relies on these exact labels. Be careful changing them.",
+    "labels": {
+      "breaking": ":boom: Breaking Change",
+      "enhancement": ":rocket: Enhancement",
+      "bug": ":bug: Bug Fix",
+      "documentation": ":memo: Documentation",
+      "internal": ":house: Internal",
+      "unlabeled": ":question: Unlabeled"
+    },
+    "wildcardLabel": "unlabeled"
+  },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"
   }
-}
+}