Migrate buildifier to MODULE. This enforces an update to Bazel 7

Author: martin4861

.bazeliskrc

@@ -1 +1 @@
-USE_BAZEL_VERSION=6.2.0
+USE_BAZEL_VERSION=7.6.1

BUILD.bazel

@@ -1,4 +1,4 @@
-load("@com_github_bazelbuild_buildtools//buildifier:def.bzl", "buildifier")
+load("@buildifier_prebuilt//:rules.bzl", "buildifier")
 
 buildifier(
     name = "buildifier",

MODULE.bazel

@@ -1,3 +1,13 @@
+# Copyright (C) 2022 Swift Navigation Inc.
+# Contact: Swift Navigation <dev@swift-nav.com>
+#
+# This source is subject to the license found in the file 'LICENSE' which must
+# be be distributed together with this source. All other rights reserved.
+#
+# THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
+# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
+
 module(
     name = "rules_swiftnav",
     version = "0.1.0",
@@ -47,3 +57,10 @@ register_toolchains(
 
 yocto_generic_ext = use_extension("@rules_swiftnav//cc/toolchains/yocto_generic:yocto_generic_extension.bzl", "yocto_generic_extension")
 use_repo(yocto_generic_ext, "yocto_generic")
+
+# Register the buildifier toolchain
+bazel_dep(
+    name = "buildifier_prebuilt",
+    version = "8.2.0.2",
+    dev_dependency = True,
+)