JSONC highlighting & Upgrade VuePress (#1091)

* chore: upgrade vuepress & jsonc highlight

* fix: broken links & wrong code type

* chore: test for github action

* chore(vuepress-deploy.yml): node 20

* fix(config.js): missing favicon

* fix: try to fix memory limit

* chore(vuepress-deploy.yml): remove running repo detection

* chore: use github action workflows directly

* fix(vuepress-deploy.yml): use '&&' not '&'

* fix(vuepress-deploy.yml): contributors

* feat: remove extra emojis

* feat(CONTRIBUTING.md): remove extra emojis

* feat(README.md): remove extra emoji

* fix(live/message_stream.md): missing end tags

* fix: plain text highlight

* chore: upgrade

* chore: upgrade

* chore: upgrade vuepress to 2.0.0-rc.21

* chore: upgrade vuepress to 2.0.0-rc.23

* chore: upgrade vuepress to 2.0.0-rc.24

* chore: upgrade github action node version to 22

.vuepress/theme/layouts/Layout.vue

@@ -13,6 +13,16 @@
   </ParentLayout>
 </template>
 
+<style>
+  /* README.md */
+  .shields a {
+    margin: auto .25em;
+  }
+  .shields a::after {
+    display: none !important;
+  }
+</style>
+
 <script setup>
 import ParentLayout from '@vuepress/theme-default/layouts/Layout.vue';
 </script>