build(deps-dev): bump vitepress from 1.6.3 to 1.6.4

Bumps [vitepress](https://github.com/vuejs/vitepress) from 1.6.3 to 1.6.4.
- [Release notes](https://github.com/vuejs/vitepress/releases)
- [Changelog](https://github.com/vuejs/vitepress/blob/v1.6.4/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vitepress/compare/v1.6.3...v1.6.4)

---
updated-dependencies:
- dependency-name: vitepress
  dependency-version: 1.6.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -10,7 +10,7 @@
         "@fortawesome/vue-fontawesome": "^3.1.1"
       },
       "devDependencies": {
-        "vitepress": "^1.6.3"
+        "vitepress": "^1.6.4"
       }
     },
     "node_modules/@algolia/autocomplete-core": {
@@ -2366,9 +2366,9 @@
       }
     },
     "node_modules/vitepress": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/vitepress/-/vitepress-1.6.3.tgz",
-      "integrity": "sha512-fCkfdOk8yRZT8GD9BFqusW3+GggWYZ/rYncOfmgcDtP3ualNHCAg+Robxp2/6xfH1WwPHtGpPwv7mbA3qomtBw==",
+      "version": "1.6.4",
+      "resolved": "https://registry.npmjs.org/vitepress/-/vitepress-1.6.4.tgz",
+      "integrity": "sha512-+2ym1/+0VVrbhNyRoFFesVvBvHAVMZMK0rw60E3X/5349M1GuVdKeazuksqopEdvkKwKGs21Q729jX81/bkBJg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "vitepress": "^1.6.3"
+    "vitepress": "^1.6.4"
   },
   "scripts": {
     "docs:dev": "vitepress dev docs",