fix: change to optionalDependencies (#1184)

* fix: change to `optionalDependencies`

* fix

Author: kazupon

packages/vue-i18n-bridge/package.json

@@ -45,7 +45,7 @@
   "devDependencies": {
     "@intlify/devtools-if": "9.3.0-beta.4"
   },
-  "peerDependencies": {
+  "optionalDependencies": {
     "@vue/composition-api": "^1.0.0-rc.1"
   },
   "engines": {
@@ -85,11 +85,6 @@
     "./package.json": "./package.json"
   },
   "funding": "https://github.com/sponsors/kazupon",
-  "peerDependenciesMeta": {
-    "@vue/composition-api": {
-      "optional": true
-    }
-  },
   "publishConfig": {
     "access": "public"
   },