fix: add @babel/core as peerDependencies

Fixes pnpm & yarn warnings as said in vuejs/create-vue#213

Author: haoqunjiang

packages/babel-plugin-jsx/package.json

@@ -48,5 +48,8 @@
     "ts-jest": "^26.5.6",
     "typescript": "^4.8.4",
     "vue": "3.2.41"
+  },
+  "peerDependencies": {
+    "@babel/core": "^7.0.0-0"
   }
 }