Fix rust-clippy.json

This broke the rust-highfive bot for Clippy

Author: flip1995

highfive/configs/rust-lang/rust-clippy.json

@@ -3,7 +3,7 @@
         "all": ["@flip1995", "@Manishearth", "@llogiq", "@camsteffen", "@giraffate"]
     },
     "dirs": {
-        ".github": ["@flip1995"],
+        ".github": ["@flip1995"]
     },
     "contributing": "https://github.com/rust-lang/rust-clippy/blob/master/CONTRIBUTING.md",
     "new_pr_labels": ["S-waiting-on-review"]