sile: fix build

f3100dd4e0 changed the default interpreter
of Sile to Lua 5.4. Unfortunately, multiple Lua dependencies fail when
building with lua5_4, making Sile to fail to build.

pkgs/top-level/all-packages.nix

@@ -10281,7 +10281,7 @@ with pkgs;
   silc_server = callPackage ../servers/silc-server { };
 
   sile = callPackage ../tools/typesetting/sile {
-    lua = lua5_4;
+    lua = lua5_3;
   };
 
   silver-searcher = callPackage ../tools/text/silver-searcher { };