Actually update the module version this time. Sigh.

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index cf1aa86..ef0c1fb 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,7 +1,7 @@
 # Bazel extensions for pybind11
 module(
     name = "pybind11_bazel",
-    version = "2.11.1.bzl.3",
+    version = "2.12.0",
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.5.0")