fix(openssl): Decrease security level

Recent openssl versions do not support TLSv1.1 without this

app/settings.py

@@ -179,7 +179,7 @@ CAS_LDAP_SERVER = ldap3.Server(
     tls=ldap3.Tls(
         validate=ssl.CERT_REQUIRED,
         version=ssl.PROTOCOL_TLSv1_1,
-        ciphers="AES256-SHA",
+        ciphers="AES256-SHA:@SECLEVEL=0",
         ssl_options=[ssl.OP_LEGACY_SERVER_CONNECT],
     ),
 )

npins/sources.json

@@ -7,16 +7,16 @@
         "url": "https://git.hubrecht.ovh/hubrecht/nix-pkgs.git"
       },
       "branch": "main",
-      "revision": "2e9a6576055b2f47d85304c685be083b9f0c7462",
+      "revision": "aa1ecb224ff9c4d200c4d5b9d229d1315c0184f0",
       "url": null,
-      "hash": "13vsj8x3pyc0ddmk0ckp8qvxxl462yjybj2102yxp4mghfgbhj99"
+      "hash": "sha256-csAikAaQcr4RdOtOf7DMkOpBBB8w1vD+MPVZGBStMVM="
     },
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre732674.a27871180d30/nixexprs.tar.xz",
-      "hash": "108rbjaa32frr5fgm52djlrjk7mp1f3iyqcvgwyn7qcgsj855dix"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre644361.1e3deb3d8a86/nixexprs.tar.xz",
+      "hash": "0q8wrydwkyyjag9dz6mazmqnzw14jgg0vzj4n5zz94zq9fgnl8kc"
     }
   },
   "version": 3
-}
+}