Add textproc/itstool22 (v.2.0.2)

This brings back ITS Tool 2.0.2 to the tree because there is an issue
with version 2.0.5 and it is impacting the translation efforts of FreeBSD [1].

I'll keep this version until this problem gets fixed.

1 - https://github.com/itstool/itstool/issues/38

PR: 224903