message: Fix for future incompatible changes in Bazel
diff: @@ -1357,7 +1357,7 @@ def _py_wrap_cc_impl(ctx):
  args += ["-I" + i for i in swig_include_dirs.to_list()]
  args += [src.path]
  outputs = [ctx.outputs.cc_out, ctx.outputs.py_out]
  - ctx.action(
  + ctx.actions.run(
  executable = ctx.executable._swig,
  arguments = args,
  inputs = inputs.to_list(),
  @@ -1655,8 +1655,7 @@ _append_init_to_versionscript = rule(
  attrs = {
  "module_name": attr.string(mandatory = True),
  "template_file": attr.label(
  - allow_files = True,
  - single_file = True,
  + allow_single_file = True,
  mandatory = True,
  ),
  "is_version_script": attr.bool(
  