Bump vue and vue-template-compiler in /apps/accessibility

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 2.6.2 to 2.6.4
- [Release notes](https://github.com/vuejs/vue/releases)
- [Commits](https://github.com/vuejs/vue/compare/v2.6.2...v2.6.4)

Updates `vue-template-compiler` from 2.6.2 to 2.6.4
- [Release notes](https://github.com/vuejs/vue/releases)
- [Commits](https://github.com/vuejs/vue/compare/v2.6.2...v2.6.4)

Signed-off-by: dependabot[bot] <support@dependabot.com>
Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/accessibility/package-lock.json

@@ -5947,9 +5947,9 @@
       }
     },
     "vue": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/vue/-/vue-2.6.2.tgz",
-      "integrity": "sha512-NZAb0H+t3/99g2nygURcEJ+ncvzNLPiEiFI5MGhc1Cjsw5uYprF+Ol7SOd1RXPcmVVzK7jUBl0th2tNgt+VQDg=="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/vue/-/vue-2.6.4.tgz",
+      "integrity": "sha512-PbR3FWMgCGjRxRjtWURhcTTBSrA/WHvz9g7v6eCcA0GQQZ0a2W6VrbdP0FKxRU62N9iQSHi3+VYLPfZA8W8m+Q=="
     },
     "vue-hot-reload-api": {
       "version": "2.3.1",
@@ -5981,9 +5981,9 @@
       }
     },
     "vue-template-compiler": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/vue-template-compiler/-/vue-template-compiler-2.6.2.tgz",
-      "integrity": "sha512-2dBKNCtBPdx1TFef7T4zwF8IjOx2xbMNryCtFzneP+XIonJwOtnkq4s1mhKv8W79gXcGINQWtuaxituGAcuSnA==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/vue-template-compiler/-/vue-template-compiler-2.6.4.tgz",
+      "integrity": "sha512-RJePeQrGrSKDt2sfYRZ1DwnBuVMZDCMX6q5NTLZH6fs4RjXIxRE93wGOO2wKd3ebJEl9eKnPO6GpobNJGA7e3w==",
       "dev": true,
       "requires": {
         "de-indent": "^1.0.2",

apps/accessibility/package.json

@@ -12,7 +12,7 @@
 	},
 	"dependencies": {
 		"nextcloud-axios": "^0.1.3",
-		"vue": "^2.6.2"
+		"vue": "^2.6.4"
 	},
 	"browserslist": [
 		"last 2 versions",
@@ -25,7 +25,7 @@
 		"css-loader": "^2.1.0",
 		"file-loader": "^3.0.1",
 		"vue-loader": "^15.6.2",
-		"vue-template-compiler": "^2.6.2",
+		"vue-template-compiler": "^2.6.4",
 		"webpack": "^4.29.3",
 		"webpack-cli": "^3.2.3",
 		"webpack-merge": "^4.2.1"