Register Python 3.14 with Bazel (#2307)

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index fe78978..159de1b 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -27,6 +27,7 @@
     python_version = "3.12",
 )
 python.toolchain(python_version = "3.13")
+python.toolchain(python_version = "3.14")
 
 pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip", dev_dependency = True)
 pip.parse(