Update cardano-node to 10.5.3

Author: michalrus

flake.lock

@@ -5,9 +5,9 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-22.11-darwin";
     cardano-wallet-unpatched.url = "github:cardano-foundation/cardano-wallet/v2025-03-31";
     cardano-wallet-unpatched.flake = false; # otherwise, +10k quadratic dependencies in flake.lock…
-    cardano-node-override.url = "github:IntersectMBO/cardano-node/10.5.2";
+    cardano-node-override.url = "github:IntersectMBO/cardano-node/10.5.3";
     cardano-node-override.flake = false;
-    cardano-playground.url = "github:input-output-hk/cardano-playground/56ebfef5595c43014029b039ade01b0ef06233e0";
+    cardano-playground.url = "github:input-output-hk/cardano-playground/19d0c33a7f00856727344faf011f83cf30cfb06a";
     cardano-playground.flake = false; # otherwise, +9k dependencies in flake.lock…
     cardano-shell.url = "github:input-output-hk/cardano-shell/79f48aa3aa8007a1597cbedc22031eab1f05decd";
     cardano-shell.flake = false;