Update gunicorn requirement from ~=23.0.0 to ~=24.1.1 in /dao (#531)

Updates the requirements on [gunicorn](https://github.com/benoitc/gunicorn) to permit the latest version.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@23.0.0...24.1.1)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-version: 24.1.1
  dependency-type: direct:production
...

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dao/requirements.txt

@@ -18,7 +18,7 @@ pymysql~=1.1.2
 mariadb~=1.1.14
 flask~=3.1.2
 ephem~=4.2
-gunicorn~=23.0.0
+gunicorn~=24.1.1
 cryptography~=46.0.3
 tzlocal~=5.3.1
 mip==1.16rc0