feat: use newest zoom-us

configs/packages/default.nix

@@ -1,5 +1,7 @@
-{ pkgs, lib, ... }: 
-let hc = pkgs.callPackage <stockholm/tv/5pkgs/simple/hc.nix> {};
+{ pkgs, lib, ... }:
+let
+  hc = pkgs.callPackage <stockholm/tv/5pkgs/simple/hc.nix> {};
+  inherit (import <niveum/lib>) nixpkgs-unstable;
 in {
   imports = [
     ./krebs.nix
@@ -97,7 +99,7 @@ in {
     audacity
     calibre
     inkscape
-    zoom-us # video conferencing
+    nixpkgs-unstable.zoom-us # video conferencing
     pdfgrep # search in pdf
     pdftk # pdf toolkit
     evince # for viewing pdf annotations

configs/packages/writing.nix

@@ -2,8 +2,6 @@
 let
   inherit (import <niveum/lib>) nixpkgs-unstable;
 
-  unstable = import nixpkgs-unstable {};
-
   zoteroStyle = { name, sha256 }: {
     name = "${name}.csl";
     path = pkgs.fetchurl {
@@ -70,7 +68,7 @@ in {
     libreoffice
     # gnumeric
     dia
-    unstable.pandoc
+    nixpkgs-unstable.pandoc
     # proselint
     asciidoctor
     wordnet