Bump vue-server-renderer from 2.7.7 to 2.7.8

Bumps [vue-server-renderer](https://github.com/vuejs/vue) from 2.7.7 to 2.7.8.
- [Release notes](https://github.com/vuejs/vue/releases)
- [Changelog](https://github.com/vuejs/vue/blob/main/CHANGELOG.md)
- [Commits](vuejs/vue@v2.7.7...v2.7.8)

---
updated-dependencies:
- dependency-name: vue-server-renderer
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -48,7 +48,7 @@
     "vue": "2.7.7",
     "vue-instantsearch": "4.4.1",
     "vue-jest": "^3.0.7",
-    "vue-server-renderer": "2.7.7",
+    "vue-server-renderer": "2.7.8",
     "vue-template-compiler": "2.7.7"
   }
 }