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:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -24,10 +24,10 @@
     "fs": "^0.0.1-security",
     "nuxt": "^2.17.1",
     "papaparse": "^5.4.1",
-    "vue": "^2.6.14",
+    "vue": "^2.7.15",
     "vue-select": "^3.20.2",
     "vue-server-renderer": "^2.6.14",
-    "vue-template-compiler": "^2.6.14",
+    "vue-template-compiler": "^2.7.15",
     "webpack": "^4.47.0"
   },
   "devDependencies": {