message: Fix incompatibility with --incompatible_depset_union
diff: @@ -1688,9 +1688,9 @@ def _collect_deps_aspect_impl(target, ctx):
  alldeps = depset()
  if hasattr(ctx.rule.attr, "deps"):
  for dep in ctx.rule.attr.deps:
  - alldeps = alldeps | depset([dep.label])
  + alldeps = depset([dep.label], transitive = [alldeps])
  if hasattr(dep, "tf_collected_deps"):
  - alldeps = alldeps | dep.tf_collected_deps
  + alldeps = depset(transitive = [alldeps, dep.tf_collected_deps])
  return struct(tf_collected_deps = alldeps)
  collect_deps_aspect = aspect(
  