Increase the size limit for GROUP_CONCAT.
Increase the size limit for GROUP_CONCAT.

We were hitting this for zh_hans and zh_hant.


Former-commit-id: ec2c30e42a9ba8f219a5b5c2e86b4450879f2f90
guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt