Bump vue and vue-template-compiler

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

Updates `vue` from 2.6.11 to 2.6.12
- [Release notes](https://github.com/vuejs/vue/releases)
- [Commits](vuejs/vue@v2.6.11...v2.6.12)

Updates `vue-template-compiler` from 2.6.11 to 2.6.12
- [Release notes](https://github.com/vuejs/vue/releases)
- [Commits](vuejs/vue@v2.6.11...v2.6.12)

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

package.json

@@ -48,7 +48,7 @@
  "nextcloud-server": "^0.15.10",
  "path-parse": "^1.0.6",
  "regenerator-runtime": "^0.13.7",
- "vue": "^2.6.11",
+ "vue": "^2.6.12",
  "vue-async-computed": "^3.8.3",
  "vue-plyr": "^6.0.4",
  "webdav": "^3.3.0"
@@ -97,7 +97,7 @@
  "stylelint-webpack-plugin": "^2.1.0",
  "url-loader": "^4.1.0",
  "vue-loader": "^15.9.3",
- "vue-template-compiler": "^2.6.11",
+ "vue-template-compiler": "^2.6.12",
  "webpack": "^4.44.1",
  "webpack-cli": "^3.3.12",
  "webpack-merge": "^5.1.1"