pixelfed: add ngi team

Pixelfed is an nlnet.nl grant recipient, therefore the NGI team has an
interest in maintaining it and keeping it updated.

Link: https://ngi.nixos.org/project/Pixelfed/

Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>

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

@@ -44,7 +44,7 @@ php.buildComposerProject2 (finalAttrs: {
     description = "Federated image sharing platform";
     license = lib.licenses.agpl3Only;
     homepage = "https://pixelfed.org/";
-    maintainers = [ ];
+    teams = with lib.teams; [ ngi ];
     platforms = php.meta.platforms;
   };
 })