Chore(deps): 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] <[email protected]>

package.json

@@ -20,7 +20,7 @@
     "@nextcloud/l10n": "^2.0.1",
     "@nextcloud/router": "^2.1.2",
     "@nextcloud/vue": "^7.11.6",
-    "vue": "^2.7.14"
+    "vue": "^2.7.15"
   },
   "browserslist": [
     "extends @nextcloud/browserslist-config"
@@ -35,6 +35,6 @@
     "@nextcloud/eslint-config": "^8.2.1",
     "@nextcloud/stylelint-config": "^2.3.0",
     "@nextcloud/webpack-vue-config": "^5.4.0",
-    "vue-template-compiler": "^2.7.14"
+    "vue-template-compiler": "^2.7.15"
   }
 }