docs: update readme

Author: Justineo

README.md

@@ -310,7 +310,7 @@ Drop `<script>` inside your HTML file and access the component via `window.VueEC
 ```html
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.2.4"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.3.0"></script>
 ```
 <!-- vue3Scripts:end -->
 
@@ -330,7 +330,7 @@ app.component('v-chart', VueECharts)
 ```html
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.2.4"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.3.0"></script>
 ```
 <!-- vue2Scripts:end -->
 

README.zh-Hans.md

@@ -309,7 +309,7 @@ export default {
 ```html
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.2.4"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.3.0"></script>
 ```
 <!-- vue3Scripts:end -->
 
@@ -329,7 +329,7 @@ app.component('v-chart', VueECharts)
 ```html
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
 <script src="https://cdn.jsdelivr.net/npm/[email protected]"></script>
-<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.2.4"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue-echarts@6.3.0"></script>
 ```
 <!-- vue2Scripts:end -->