style: format entire depot with nixpkgs-fmt

This CL can be used to compare the style of nixpkgs-fmt against other
formatters (nixpkgs, alejandra).

Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: kanepyork <rikingcoding@gmail.com>
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: cynthia <cynthia@tvl.fyi>
Reviewed-by: edef <edef@edef.eu>
Reviewed-by: eta <tvl@eta.st>
Reviewed-by: grfn <grfn@gws.fyi>

third_party/lisp/trivial-mimes.nix

@@ -3,7 +3,7 @@
 let
   src = with pkgs; srcOnly lispPackages.trivial-mimes;
 
-  mime-types = pkgs.runCommand "mime-types.lisp" {} ''
+  mime-types = pkgs.runCommand "mime-types.lisp" { } ''
     substitute ${src}/mime-types.lisp $out \
       --replace /etc/mime.types ${src}/mime.types \
       --replace "(asdf:system-source-directory :trivial-mimes)" '"/bogus-dir"'
@@ -11,7 +11,8 @@ let
       # generally fail — we are not using ASDF after all.
   '';
 
-in depot.nix.buildLisp.library {
+in
+depot.nix.buildLisp.library {
   name = "trivial-mimes";
 
   deps = [