Log Message:
textproc/marisa: update to 0.2.6

No release note nor change log.  Please refer commit log
<https://github.com/s-yata/marisa-trie/commits/master> in detail.

0.2.5 (2018-05-19)
0.2.6 (2020-06-14)

This commit also updates language binding packages: p5-marisa, py-marisa and
ruby-marisa.