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

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

package.json

@@ -62,10 +62,10 @@
     "path-posix": "^1.0.0",
     "qs": "^6.11.2",
     "url-parse": "^1.5.10",
-    "vue": "^2.7.14",
+    "vue": "^2.7.15",
     "vue-material-design-icons": "^5.2.0",
     "vue-router": "^3.6.5",
-    "vue-template-compiler": "^2.7.14",
+    "vue-template-compiler": "^2.7.15",
     "vue-virtual-grid": "^2.5.0",
     "vue2-leaflet": "^2.7.1",
     "vuex": "^3.6.2",