treewide: bump rules_oci to v2.0.0

Change-Id: Idbeb3a3b7645c5b6f774eb43d218ca0bc79dccc1
Reviewed-on: https://review.monogon.dev/c/monogon/+/3474
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/metropolis/test/e2e/preseedtest/BUILD.bazel b/metropolis/test/e2e/preseedtest/BUILD.bazel
index 864ba59..fe9fda9 100644
--- a/metropolis/test/e2e/preseedtest/BUILD.bazel
+++ b/metropolis/test/e2e/preseedtest/BUILD.bazel
@@ -31,7 +31,7 @@
     visibility = ["//visibility:private"],
 )
 
-load("@rules_oci//oci:defs.bzl", "oci_image", "oci_tarball")
+load("@rules_oci//oci:defs.bzl", "oci_image", "oci_load")
 
 oci_image(
     name = "preseedtest_image",
@@ -42,9 +42,16 @@
     workdir = "/app",
 )
 
-oci_tarball(
-    name = "preseedtest_tarball",
+oci_load(
+    name = "preseedtest_load",
     image = ":preseedtest_image",
     repo_tags = ["bazel/metropolis/test/e2e/preseedtest:preseedtest_image"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "preseedtest_tarball",
+    srcs = [":preseedtest_load"],
+    output_group = "tarball",
     visibility = ["//metropolis/node:__pkg__"],
 )