fix tag attr name

Author: rickeylev

tests/tar/BUILD

@@ -640,8 +640,8 @@ pkg_tar(
 
 verify_archive_test(
     name = "raw_symlinks_test",
+    tags = ["only-this-test"],
     target = ":raw_symlinks_tar",
-    targs = ["only-this-test"],
     verify_links = {
         "raw_symlinks_link1": "link1",
         "raw_symlinks_link1.runfiles/_main/tests/tar/raw_symlinks_runfile_link": "../runfile_link",