dns/py-dns-lexicon: Update to 2.1.10

Changes: https://github.com/AnalogJ/lexicon/releases/tag/v2.1.9

			https://github.com/AnalogJ/lexicon/releases/tag/v2.1.10

PR: 220845
Submitted by: Goran Mekić <meka@tilda.center> (maintainer)