flake.lock: Update

Flake lock file updates:

• Updated input 'emacs-overlay':
    'github:nix-community/emacs-overlay/3b4f8179de2b4950540d70161854e43fe1010eae' (2024-08-16)
  → 'github:nix-community/emacs-overlay/2dc18fd0621276a03b36e509d9271155d6e5ee19' (2024-08-17)

flake.lock

@@ -7,11 +7,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1723799695,
-        "narHash": "sha256-8W/xxCpwQC9LOnwUO0Q7aGAF463ozaxcwQ6/toqtz0M=",
+        "lastModified": 1723885890,
+        "narHash": "sha256-MNREOblaa/DcYkM2Az57JC+auv023k+93biSDP6tiGY=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "3b4f8179de2b4950540d70161854e43fe1010eae",
+        "rev": "2dc18fd0621276a03b36e509d9271155d6e5ee19",
         "type": "github"
       },
       "original": {