add --skip to shed_lint

should fix galaxyproject/tools-iuc#5500

planemo/commands/cmd_shed_lint.py

@@ -13,6 +13,7 @@
 @options.shed_realization_options()
 @options.report_level_option()
 @options.fail_level_option()
+@options.skip_option()
 @options.click.option(
     "--tools", is_flag=True, default=False, help=("Lint tools discovered in the process of linting repositories.")
 )