[rllib] apply buildifier to build file (#51773)

easier to add / remove tags

Signed-off-by: Lonnie Liu <lonnie@anyscale.com>

Author: aslonnie

.pre-commit-config.yaml

@@ -58,9 +58,9 @@ repos:
     rev: 8.0.1
     hooks:
       - id: buildifier
-        files: ^(src|cpp|python)(/[^/]+)*/BUILD$
+        files: ^(src|cpp|python|rllib)(/[^/]+)*/BUILD$
       - id: buildifier-lint
-        files: ^(src|cpp|python)(/[^/]+)*/BUILD$
+        files: ^(src|cpp|python|rllib)(/[^/]+)*/BUILD$
 
   - repo: https://github.com/psf/black
     rev: 22.10.0