net-im/gajim: update to 1.1.2

• update to 1.1.2
• actualize dependencies
• add OMEMO encryption option and enable it by default
• remove CRYPTO option - it's no more relevant (upstream switched to openssl)

PR: 233826
Submitted by: Goran Mekić <meka@tilda.center>
Reviewed by: koobs (with his suggestions included)