Add more settings related to page imports on hewikivoyage

This patch adds the 'importupload' user right to the
'sysop' user group on Hebrew Wikivoyage and enables page
imports from all other Wikivoyage projects per community
request.

See bug for URL with on-wiki consensus for this change.

Bug: 59601
Change-Id: I8b5688b3654f275629acb9f37ee28773a4e89702