cinny-unwrapped: pin Node 20

Author: ofalvai

pkgs/by-name/ci/cinny-unwrapped/package.nix

@@ -10,6 +10,7 @@
   pango,
   stdenv,
   olm,
+  nodejs_20,
 }:
 
 buildNpmPackage rec {
@@ -23,6 +24,10 @@ buildNpmPackage rec {
     hash = "sha256-BoUQURCfEu5kocMm8T25cVl8hgZGxcxrMzQZOl2fAbY=";
   };
 
+  # canvas, a transitive dependency of cinny, fails to build with Node 22
+  # https://github.com/Automattic/node-canvas/issues/2448
+  nodejs = nodejs_20;
+
   npmDepsHash = "sha256-fDoia6evCmXZgeIKL0coRo3yunX1dfud31ROgmop2Sc=";
 
   # Fix error: no member named 'aligned_alloc' in the global namespace