chore(deps): Bump @nextcloud/auth from 2.5.3 to 2.6.0

Bumps [@nextcloud/auth](https://github.com/nextcloud-libraries/nextcloud-auth) from 2.5.3 to 2.6.0.
- [Release notes](https://github.com/nextcloud-libraries/nextcloud-auth/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-auth/blob/main/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-auth@v2.5.3...v2.6.0)

---
updated-dependencies:
- dependency-name: "@nextcloud/auth"
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "extends @nextcloud/browserslist-config"
   ],
   "dependencies": {
-    "@nextcloud/auth": "^2.5.3"
+    "@nextcloud/auth": "^2.6.0"
   },
   "devDependencies": {
     "@nextcloud/browserslist-config": "^3.1.2",