Merge branch 'nixpkgs-upgrade-2024-08-19' into 'develop'

bump nixpkgs version

See merge request !526

nixpkgs.json

 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/24.05/nixos-24.05.3787.a781ff33ae25/nixexprs.tar.xz",
-  "sha256": "1kjpxcxgf9nd6a18kdq5y2l379mb1rg57imxdx46rbl0aif7w12x"
+  "url": "https://releases.nixos.org/nixos/24.05/nixos-24.05.3999.c42fcfbdfeae/nixexprs.tar.xz",
+  "sha256": "0ibs048d6ijgrd2nv3wpcf2jx0al5rpr7ignma9nmrsyla5bfi0s"
 }
\ No newline at end of file