[BUG 55275] Prevent category_redirect.py from doing cosmetic changes

category_redirect touches category to clean them. Thus it is a good
idea to keep them off from doing cosmetic changes by placing it to
the exception tuple inside wikipedia.py.

See also https://gerrit.wikimedia.org/r/#/c/94495/

Change-Id: Ib7a52e7876e8bbbbbcad30250db57ffd644aaeec
Merge "[BUG 55275] Prevent category_redirect.py from doing cosmetic changes"