Bump Khepri from 0.11.0 to 0.12.0

... and khepri_mnesia_migration from 0.3.0 to 0.4.0.

Release notes:
* Khepri: https://github.com/rabbitmq/khepri/releases/tag/v0.12.0
* khepri_mnesia_migration: https://github.com/rabbitmq/khepri_mnesia_migration/releases/tag/v0.4.0

Author: dumbbell

MODULE.bazel

@@ -295,15 +295,15 @@ erlang_package.hex_package(
 erlang_package.hex_package(
     name = "khepri",
     build_file = "@rabbitmq-server//bazel:BUILD.khepri",
-    sha256 = "0f90ad4d163493abf8bc03ab161a8c65795fe5578fe16a5a1d27846185e68aaf",
-    version = "0.11.0",
+    sha256 = "2e4186e84ac73e7bfc513d821b8d10c58d59432b92c2d424d0ecaa9883653526",
+    version = "0.12.0",
 )
 
 erlang_package.hex_package(
     name = "khepri_mnesia_migration",
     build_file = "@rabbitmq-server//bazel:BUILD.khepri_mnesia_migration",
-    sha256 = "996f7db1f094a3d5e72ff9e3a2db4fd1895872a1fcbc223b91671bcbc047b03b",
-    version = "0.3.0",
+    sha256 = "007568909c726057a6e06fb110a7309bf8bbdb9d233f09987da9388048726cbd",
+    version = "0.4.0",
 )
 
 erlang_package.hex_package(

rabbitmq-components.mk

@@ -115,8 +115,8 @@ dep_accept = hex 0.3.5
 dep_cowboy = hex 2.11.0
 dep_cowlib = hex 2.12.1
 dep_credentials_obfuscation = hex 3.4.0
-dep_khepri = hex 0.11.0
-dep_khepri_mnesia_migration = hex 0.3.0
+dep_khepri = hex 0.12.0
+dep_khepri_mnesia_migration = hex 0.4.0
 dep_looking_glass = git https://github.com/rabbitmq/looking_glass.git main
 dep_prometheus = hex 4.11.0
 dep_ra = hex 2.9.1