ibm-plex: 1.2.1 -> 1.2.3

https://github.com/IBM/plex/releases/tag/v1.2.3
https://github.com/IBM/plex/releases/tag/v1.2.2

pkgs/data/fonts/ibm-plex/default.nix

@@ -1,7 +1,7 @@
 { lib, fetchzip }:
 
 let
-  version = "1.2.1";
+  version = "1.2.3";
 in fetchzip rec {
   name = "ibm-plex-${version}";
   url = "https://github.com/IBM/plex/releases/download/v${version}/OpenType.zip";
@@ -9,7 +9,7 @@ in fetchzip rec {
     mkdir -p $out/share/fonts
     unzip -j $downloadedFile \*.otf -d $out/share/fonts/opentype
   '';
-  sha256 = "1mwlw39nbqrk08crvgm77l98yyyabwhcgsng89c9s67gq4mlxmxa";
+  sha256 = "16vmby2svr4q0lvsnrpxzmhkb6yv84x2jg6jccaj7x9vq56b4adg";
 
   meta = with lib; {
     description = "IBM Plex Typeface";