⬆️ Bump vue from 2.6.12 to 3.0.0

Bumps [vue](https://github.com/vuejs/core) from 2.6.12 to 3.0.0.
- [Release notes](https://github.com/vuejs/core/releases)
- [Changelog](https://github.com/vuejs/core/blob/v3.0.0/CHANGELOG.md)
- [Commits](https://github.com/vuejs/core/commits/v3.0.0)

---
updated-dependencies:
- dependency-name: vue
  dependency-type: direct:production
...

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

package.json

@@ -33,7 +33,7 @@
     "lodash.clonedeep": "^4.5.0",
     "shp-write": "^0.3.2",
     "util-deprecate": "^1.0.2",
-    "vue": "2.6.12",
+    "vue": "3.0.0",
     "vue-color": "^2.8.1",
     "vue-cookie": "^1.1.4",
     "vue-cookie-law": "^1.13.3",