treewide: explicity load built-in rules

In Bazel 9 all autoloaded rules will be disabled. This prepares us for
that.

Change-Id: Ibaa4fa2e6b7095922a5699d2d5f3ae6c2cba3552
Reviewed-on: https://review.monogon.dev/c/monogon/+/3939
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/metropolis/node/core/minit/BUILD.bazel b/metropolis/node/core/minit/BUILD.bazel
index 573ca92..70419d5 100644
--- a/metropolis/node/core/minit/BUILD.bazel
+++ b/metropolis/node/core/minit/BUILD.bazel
@@ -1,3 +1,5 @@
+load("@rules_cc//cc:defs.bzl", "cc_binary")
+
 cc_binary(
     name = "minit",
     srcs = [
diff --git a/metropolis/node/kubernetes/pause/BUILD.bazel b/metropolis/node/kubernetes/pause/BUILD.bazel
index aa0c754..24a4b54 100644
--- a/metropolis/node/kubernetes/pause/BUILD.bazel
+++ b/metropolis/node/kubernetes/pause/BUILD.bazel
@@ -1,3 +1,4 @@
+load("@rules_cc//cc:defs.bzl", "cc_binary")
 load("@rules_oci//oci:defs.bzl", "oci_image", "oci_load")
 load("//build/static_binary_tarball:def.bzl", "static_binary_tarball")