build(deps): update @nextcloud/auth to v2.6.0

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux

package-lock.json

@@ -48,7 +48,7 @@
     "extends @nextcloud/browserslist-config"
   ],
   "dependencies": {
-    "@nextcloud/auth": "^2.5.3",
+    "@nextcloud/auth": "^2.6.0",
     "@nextcloud/router": "^3.1.0",
     "axios": "^1.15.0"
   },