Bump vue library to 2.6.8

Signed-off-by: Joas Schilling <coding@schilljs.com>

package-lock.json

@@ -3325,9 +3325,9 @@
 			}
 		},
 		"@nextcloud/vue": {
-			"version": "2.6.6",
-			"resolved": "https://registry.npmjs.org/@nextcloud/vue/-/vue-2.6.6.tgz",
-			"integrity": "sha512-amlFNT5uDnz8ryFeD4birEXXx2K0KyV5nthYoIuz6A7liOxFwOF7BX7jNwhYkM21JvSloMCfm76BcK+DxtShOw==",
+			"version": "2.6.8",
+			"resolved": "https://registry.npmjs.org/@nextcloud/vue/-/vue-2.6.8.tgz",
+			"integrity": "sha512-9yi9V4gX4Y1uxh2hNxCAlTHaS9zolzAy7x1sowII/WZfxMysF/yIGmEsnYGyz6CZ5eYCzxNUgrU5p/HQ21/09Q==",
 			"requires": {
 				"@nextcloud/auth": "^1.2.3",
 				"@nextcloud/axios": "^1.3.2",

package.json

@@ -26,7 +26,7 @@
 		"@nextcloud/l10n": "^1.4.1",
 		"@nextcloud/moment": "^1.1.1",
 		"@nextcloud/router": "^1.2.0",
-		"@nextcloud/vue": "^2.6.6",
+		"@nextcloud/vue": "^2.6.8",
 		"@nextcloud/vue-dashboard": "^1.0.1",
 		"attachmediastream": "^2.1.0",
 		"crypto-js": "^4.0.0",