treewide: format repo with buildifier

Change-Id: Ia7aebeb7bba5b119c9157d1ad805cc477bcbb68a
Reviewed-on: https://review.monogon.dev/c/monogon/+/3774
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/third_party/urcu/urcu.bzl b/third_party/urcu/urcu.bzl
index 3dfb0f8..57307f1 100644
--- a/third_party/urcu/urcu.bzl
+++ b/third_party/urcu/urcu.bzl
@@ -1,10 +1,10 @@
-load("@rules_cc//cc:defs.bzl", "cc_library")
 load("@@//build/utils:template_file.bzl", "template_file")
+load("@rules_cc//cc:defs.bzl", "cc_library")
 
 template_file(
     name = "config.h",
     src = "@@//third_party/urcu:config.h.in",
-    substitutions = { },
+    substitutions = {},
 )
 
 cc_library(