treewide: Add remote execution support

This adds support for remote execution by adding a target to build
a sandbox OCI image.

Change-Id: I848f705b7ea7311e20945ee8676cc7a52c8c33aa
Reviewed-on: https://review.monogon.dev/c/monogon/+/3783
Reviewed-by: Leopold Schabel <leo@monogon.tech>
Tested-by: Jenkins CI
diff --git a/BUILD.bazel b/BUILD.bazel
index b5111ee..e1ba1dd 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -15,6 +15,7 @@
 
 gazelle_test(
     name = "gazelle_test",
+    tags = ["no-remote"],
     workspace = "//:MODULE.bazel",
 )
 
@@ -44,6 +45,7 @@
         "-unnamed-macro",  #TODO(tim): Update code to pass this
     ],
     no_sandbox = True,
+    tags = ["no-remote"],
     workspace = "//:MODULE.bazel",
 )