chore: update branch references

packages/vue/examples/composition/commits.html

@@ -10,7 +10,7 @@
       v-model="currentBranch">
     <label :for="branch">{{ branch }}</label>
   </template>
-  <p>vuejs/vue@{{ currentBranch }}</p>
+  <p>vuejs/core@{{ currentBranch }}</p>
   <ul>
     <li v-for="{ html_url, sha, author, commit } in commits">
       <a :href="html_url" target="_blank" class="commit">{{ sha.slice(0, 7) }}</a>
@@ -34,7 +34,7 @@ const formatDate = v => v.replace(/T|Z/g, ' ')
 
 createApp({
   setup() {
-    const currentBranch = ref('master')
+    const currentBranch = ref('main')
     const commits = ref(null)
 
     watchEffect(() => {
@@ -47,7 +47,7 @@ createApp({
     })
 
     return {
-      branches: ['master', 'sync'],
+      branches: ['main', 'v2-compat'],
       currentBranch,
       commits,
       truncate,