drop node v10 (#526)

* remove console log

* drop node v10

Author: kazupon

package.json

@@ -128,7 +128,7 @@
     "yarn-deduplicate": "^3.1.0"
   },
   "engines": {
-    "node": ">= 10"
+    "node": ">= 12"
   },
   "private": true,
   "changelog": {

packages/vue-i18n/test/i18n.test.ts

@@ -424,19 +424,7 @@ describe('slot reactivity', () => {
             <i18n-t keypath='hello'/>
           </SlotChild>
         </div>
-      `,
-      created() {
-        // @ts-ignore
-        console.log('child created $t', this.$t)
-      },
-      beforeUnmount() {
-        // @ts-ignore
-        console.log('child beforeUnmount $t', this.$t)
-      },
-      unmounted() {
-        // @ts-ignore
-        console.log('child unmounted $t', this.$t)
-      }
+      `
     }
 
     const App = defineComponent({