migrate peerdep

package.json

@@ -23,9 +23,6 @@
   "dependencies": {
     "source-map-support": "^0.5.19"
   },
-  "peerDependencies": {
-    "koishi": "^4.2.0"
-  },
   "devDependencies": {
     "@types/node": "^16.4.12",
     "@typescript-eslint/eslint-plugin": "^4.29.0",
@@ -33,7 +30,6 @@
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^3.4.0",
-    "koishi": "^4.2.0",
     "prettier": "^2.3.2",
     "raw-loader": "^4.0.2",
     "ts-loader": "^9.2.5",
@@ -45,5 +41,8 @@
   "bugs": {
     "url": "https://code.mycard.moe/nanahira/koishi-plugin-limit-help/issues"
   },
-  "homepage": "https://code.mycard.moe/nanahira/koishi-plugin-limit-help"
+  "homepage": "https://code.mycard.moe/nanahira/koishi-plugin-limit-help",
+  "peerDependencies": {
+    "koishi": "^4.2.0"
+  }
 }