Merge branch 'nixpkgs-upgrade-2023-07-03' into 'develop'

bump nixpkgs version

See merge request !400

nixpkgs.json

 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/22.11/nixos-22.11.4724.9dbd51e1f1e/nixexprs.tar.xz",
-  "sha256": "1z81chf7s93y4mzrm95yvsz352l56p4i5zb9a6mr8c4w5sgg3vwl"
+  "url": "https://releases.nixos.org/nixos/22.11/nixos-22.11.4769.2039c98a8af/nixexprs.tar.xz",
+  "sha256": "0vmyz0yy3sbch6pscc0czzgz5j2y4vhszm7lmgripszhrnbyvy23"
 }
\ No newline at end of file