Upgrade: Bump vue and vue-template-compiler

Bumps [vue](https://github.com/vuejs/core) and [vue-template-compiler](https://github.com/vuejs/vue). These dependencies needed to be updated together.

Updates `vue` from 2.7.14 to 2.7.15
- [Release notes](https://github.com/vuejs/core/releases)
- [Changelog](https://github.com/vuejs/core/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vuejs/core/commits)

Updates `vue-template-compiler` from 2.7.14 to 2.7.15
- [Release notes](https://github.com/vuejs/vue/releases)
- [Changelog](https://github.com/vuejs/vue/blob/main/CHANGELOG.md)
- [Commits](vuejs/vue@v2.7.14...v2.7.15)

---
updated-dependencies:
- dependency-name: vue
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: vue-template-compiler
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -89,7 +89,7 @@
     "@nextcloud/vue": "^7.12.6",
     "@nextcloud/vue-richtext": "^2.0.4",
     "handlebars": "^4.7.8",
-    "vue": "^2.7.14",
+    "vue": "^2.7.15",
     "vue-material-design-icons": "^5.2.0",
     "vuex": "^3.6.2"
   },
@@ -122,7 +122,7 @@
     "ts-node": "^10.9.1",
     "tslib": "^2.6.2",
     "typescript": "^5.2.2",
-    "vue-template-compiler": "^2.7.14",
+    "vue-template-compiler": "^2.7.15",
     "wait-on": "^7.0.1"
   }
 }