dep: upgrade bv3 bvn

hwe/ts/v_vote.ts

@@ -2,7 +2,7 @@ import "@scss/vote.scss";
 
 import { createApp } from 'vue'
 import PageVote from '@/PageVote.vue';
-import { BootstrapVue3, BToastPlugin } from 'bootstrap-vue-3'
+import { BootstrapVueNext, BToastPlugin } from 'bootstrap-vue-next'
 import { auto500px } from "./util/auto500px";
 import { htmlReady } from "./util/htmlReady";
 import { insertCustomCSS } from "./util/customCSS";
@@ -12,4 +12,4 @@ auto500px();
 htmlReady(() => {
   insertCustomCSS();
 });
-createApp(PageVote).use(BootstrapVue3).use(BToastPlugin).mount('#app')
+createApp(PageVote).use(BootstrapVueNext).use(BToastPlugin).mount('#app')