migrate to rc1

package.json

@@ -31,7 +31,7 @@
     "source-map-support": "^0.5.20"
   },
   "peerDependencies": {
-    "koishi": "^4.0.0-rc.0",
+    "koishi": "^4.0.0-rc.1",
     "koishi-plugin-pics": "^6.0.0"
   },
   "devDependencies": {
@@ -41,7 +41,7 @@
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^3.4.1",
-    "koishi": "^4.0.0-rc.0",
+    "koishi": "^4.0.0-rc.1",
     "koishi-plugin-pics": "^6.0.0",
     "prettier": "^2.4.1",
     "raw-loader": "^4.0.2",