fix(example): fix repo and branches names in fetching example

src/examples/src/fetching-data/App/composition.js

@@ -1,7 +1,7 @@
 import { ref, watchEffect } from 'vue'
 
 const API_URL = `https://api.github.com/repos/vuejs/core/commits?per_page=3&sha=`
-const branches = ['main', 'v2-compat']
+const branches = ['main', 'minor']
 
 export default {
   setup() {

src/examples/src/fetching-data/App/options.js

@@ -2,7 +2,7 @@ const API_URL = `https://api.github.com/repos/vuejs/core/commits?per_page=3&sha=
 
 export default {
   data: () => ({
-    branches: ['main', 'v2-compat'],
+    branches: ['main', 'minor'],
     currentBranch: 'main',
     commits: []
   }),

src/examples/src/fetching-data/App/template.html

@@ -7,7 +7,7 @@ <h1>Latest Vue Core Commits</h1>
     v-model="currentBranch">
   <label :for="branch">{{ branch }}</label>
 </template>
-<p>vuejs/vue@{{ currentBranch }}</p>
+<p>vuejs/core@{{ currentBranch }}</p>
 <ul v-if="commits.length > 0">
   <li v-for="{ html_url, sha, author, commit } in commits" :key="sha">
     <a :href="html_url" target="_blank" class="commit">{{ sha.slice(0, 7) }}</a>

src/examples/src/fetching-data/description.txt

@@ -1,2 +1,2 @@
-This example fetches latest Vue.js commits data from GitHub’s API and displays them as a list.
-You can switch between the two branches.
+This example fetches latest Vue Core commits data from GitHub’s API and displays them as a list.
+You can switch between the two primary branches.