Upgrade buildifier_prebuilt (#26)

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index a1adee0..4689de9 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -6,7 +6,7 @@
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.4.1")
-bazel_dep(name = "buildifier_prebuilt", version = "6.1.2")
+bazel_dep(name = "buildifier_prebuilt", version = "7.3.1")
 bazel_dep(name = "platforms", version = "0.0.8")
 bazel_dep(name = "rules_python", version = "0.34.0")
 bazel_dep(name = "rules_uv", version = "0.21.0")

examples/demo/MODULE.bazel

diff --git a/examples/demo/MODULE.bazel b/examples/demo/MODULE.bazel
index 4259d14..8580aa6 100644
--- a/examples/demo/MODULE.bazel
+++ b/examples/demo/MODULE.bazel
@@ -6,7 +6,7 @@
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.4.1")
-bazel_dep(name = "buildifier_prebuilt", version = "6.1.2")
+bazel_dep(name = "buildifier_prebuilt", version = "7.3.1")
 bazel_dep(name = "platforms", version = "0.0.8")
 bazel_dep(name = "rules_mypy", version = "0.0.0")
 bazel_dep(name = "rules_python", version = "0.34.0")