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[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
 		"tiptap-commands": "^1.14.6",
 		"tiptap-extensions": "^1.32.2",
 		"tiptap-utils": "^1.10.4",
-		"vue": "^2.6.11",
+		"vue": "^2.6.12",
 		"vue-click-outside": "^1.0.7"
 	},
 	"browserslist": [
@@ -104,7 +104,7 @@
 		"vue-jest": "^3.0.6",
 		"vue-loader": "^15.9.3",
 		"vue-style-loader": "^4.1.1",
-		"vue-template-compiler": "^2.6.11",
+		"vue-template-compiler": "^2.6.12",
 		"webpack": "^4.44.1",
 		"webpack-cli": "^3.3.12",
 		"webpack-merge": "^5.1.2"