[hotfix] CQL_PROHIBITED_CLAUSES_REGEXP to match the "ORDER BY" keyword instead of just "ORDER"

[EnneS]

I encountered an issue where the CQL_PROHIBITED_CLAUSES_REGEXP would match such a request :

SELECT * from trade.orderbyid;

The pattern would match because my table is called orderbyid but it does not include a prohibited SQL clause (ORDER BY in this case).
A simple fix would be to match on the ORDER BY keyword instead of just ORDER which seems more appropriate to me.

[boring-cyborg]

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[echauchot]

LGTM.
It was a typo indeed, thanks for catching it !

[boring-cyborg]

Awesome work, congrats on your first merged pull request!