Add Dependabot, Update Dependencies and Workflows (#1440)

Build may fail because of some major dependency updates. Needs changes,
changes/fixes welcomed.

Main goal is keeping all things up-to-date.

---------

Co-authored-by: weishu <twsxtd@gmail.com>

website/package.json

@@ -7,8 +7,8 @@
   "author": "weishu",
   "license": "MIT",
   "devDependencies": {
-    "vitepress": "^1.0.0-rc.33",
-    "vue": "^3.3.8"
+    "vitepress": "^1.0.0-rc.45",
+    "vue": "^3.4.21"
   },
   "scripts": {
     "docs:dev": "vitepress dev docs",