vala_0_54: init at 0.54.1

- https://gitlab.gnome.org/GNOME/vala/blob/0.54.0/NEWS
- https://gitlab.gnome.org/GNOME/vala/blob/0.54.1/NEWS

pkgs/development/compilers/vala/default.nix

@@ -42,6 +42,8 @@ let
 
         "0.52" = ./disable-graphviz-0.46.1.patch;
 
+        "0.54" = ./disable-graphviz-0.46.1.patch;
+
       }.${lib.versions.majorMinor version} or (throw "no graphviz patch for this version of vala");
 
     disableGraphviz = lib.versionAtLeast version "0.38" && !withGraphviz;
@@ -130,5 +132,10 @@ in rec {
     sha256 = "sha256-hKG7MSs+Xcrkt7JcRVmNN14stpIzzvtZoV0jUMdr3ZE=";
   };
 
+  vala_0_54 = generic {
+    version = "0.54.1";
+    sha256 = "0jlhd6hr9mai7hhc2c78w6zmnzf7xncp7fhyiavkqqzhhsn7gpjx";
+  };
+
   vala = vala_0_52;
 }

pkgs/top-level/all-packages.nix

@@ -12817,6 +12817,7 @@ with pkgs;
     vala_0_48
     vala_0_50
     vala_0_52
+    vala_0_54
     vala;
 
   vyper = with python3Packages; toPythonApplication vyper;