0.25.0

0.25.0, 2022-07-08, maintenance release, update recommended

• lxml requirement bumped from version 4.6.5 to 4.9.1 addressing a security issue SNYK-PYTHON-LXML-2940874 / CVE-2022-2309 / CWE-476 via PR #104 from @snyk-bot

• Docker image updated to Python 3.10.5 slim from 3.10.4 slim via PR #102 from @dependabot