update nixpkgs

bitcoin: 27.0 -> 27.1
bitcoind: 27.0 -> 27.1
clightning: 24.02.2 -> 24.05
fulcrum: 1.10.0 -> 1.11.0
lnd: 0.17.5-beta -> 0.18.0-beta

Co-authored-by: Erik Arvstedt <erik.arvstedt@gmail.com>

test/clightning-replication.nix

@@ -24,7 +24,13 @@ let
 
       # TODO-EXTERNAL:
       # When WAN is disabled, DNS bootstrapping slows down service startup by ~15 s.
-      extraConfig = "disable-dns";
+      # TODO-EXTERNAL:
+      # When bitcoind is not fully synced, the offers plugin in clightning 24.05
+      # crashes (see https://github.com/ElementsProject/lightning/issues/7378).
+      extraConfig = ''
+        disable-dns
+        disable-plugin=offers
+      '';
     };
   };
 in