pinsel: unstable-2021-09-13 -> 0-unstable-2022-03-27, license is MIT now

Diff: https://github.com/Nooo37/pinsel/compare/24b0205ca041511b3efb2a75ef296539442f9f54...4955b93365a1816bffbddc3d2ddfe3f4b3d60107

pkgs/by-name/pi/pinsel/package.nix

@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation {
   pname = "pinsel";
-  version = "unstable-2021-09-13";
+  version = "0-unstable-2022-03-27";
 
   src = fetchFromGitHub {
     owner = "Nooo37";
     repo = "pinsel";
-    rev = "24b0205ca041511b3efb2a75ef296539442f9f54";
-    sha256 = "sha256-w+jiKypZODsmZq3uWGNd8PZhe1SowHj0thcQTX8WHfQ=";
+    rev = "4955b93365a1816bffbddc3d2ddfe3f4b3d60107";
+    hash = "sha256-H5DCAb8lJx2W4LNeGV+WOIiLUHsRVv1gSU2YMegkDFM=";
   };
 
   strictDeps = true;
@@ -40,8 +40,7 @@ stdenv.mkDerivation {
   meta = with lib; {
     description = "Minimal screenshot annotation tool with lua config";
     homepage = "https://github.com/Nooo37/pinsel";
-    # no license
-    license = licenses.unfree;
+    license = licenses.mit;
     maintainers = with maintainers; [ lom ];
     mainProgram = "pinsel";
   };