deps(deps): bump flask-admin in the batch-updates group

Bumps the batch-updates group with 1 update: [flask-admin](https://github.com/pallets-eco/flask-admin).


Updates `flask-admin` from 2.0.2 to 2.1.0
- [Release notes](https://github.com/pallets-eco/flask-admin/releases)
- [Changelog](https://github.com/pallets-eco/flask-admin/blob/master/doc/changelog.rst)
- [Commits](pallets-eco/flask-admin@v2.0.2...v2.1.0)

---
updated-dependencies:
- dependency-name: flask-admin
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: batch-updates
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 Flask==3.1.3
-Flask-Admin==2.0.2
+Flask-Admin==2.1.0
 Flask-Assets==2.1.0
 Flask-Babel==4.0.0
 Flask-Bcrypt==1.0.1