tinysparql: add patch making the dbus optional

Fixes broken cross compilation due to
f78aa37a7b03d05a5576ac71a53267b5f6fc68c4.

Signed-off-by: Marcin Serwin <[e-mail]>

pkgs/by-name/ti/tinysparql/package.nix

···
   stdenv,
   lib,
   fetchurl,
+  fetchpatch2,
   gettext,
   meson,
   mesonEmulatorHook,
···
     );
 
   doCheck = true;
+
+  patches = [
+    (fetchpatch2 {
+      name = "make-dbus-dep-optional.patch";
+      url = "https://gitlab.gnome.org/GNOME/tinysparql/-/commit/31b5a793cd40cdce032e0f7d7c3ef7841c6e3691.patch?full_index=1";
+      hash = "sha256-YoWJEa2bFIjZdPW9pJ3iHTxi0dvveYDjKaDokcIvnj8=";
+    })
+  ];
 
   postPatch = ''
     patchShebangs \