fix: bump composition api as peer dependency to at least rc version

Author: DamianOsipiuk

package.json

@@ -36,7 +36,7 @@
     "vue-demi": "^0.7.4"
   },
   "peerDependencies": {
-    "@vue/composition-api": "^1.0.0-beta.1",
+    "@vue/composition-api": "^1.0.0-rc.1",
     "vue": "^2.0.0 || >=3.0.0"
   },
   "peerDependenciesMeta": {