Bump vuepress-theme-hope in the vuepress group across 1 directory

Bumps the vuepress group with 1 update in the / directory: [vuepress-theme-hope](https://github.com/vuepress-theme-hope/vuepress-theme-hope/tree/HEAD/packages/theme).


Updates `vuepress-theme-hope` from 2.0.0-rc.64 to 2.0.0-rc.66
- [Release notes](https://github.com/vuepress-theme-hope/vuepress-theme-hope/releases)
- [Changelog](https://github.com/vuepress-theme-hope/vuepress-theme-hope/blob/main/packages/theme/CHANGELOG.md)
- [Commits](https://github.com/vuepress-theme-hope/vuepress-theme-hope/commits/v2.0.0-rc.66/packages/theme)

---
updated-dependencies:
- dependency-name: vuepress-theme-hope
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vuepress
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -25,6 +25,6 @@
     "start-server-and-test": "^2.0.9",
     "vue": "^3.5.13",
     "vuepress": "2.0.0-rc.19",
-    "vuepress-theme-hope": "2.0.0-rc.64"
+    "vuepress-theme-hope": "2.0.0-rc.66"
   }
 }