Release v1.0.2

What's Changed

• build(deps-dev): bump pytest-xdist from 3.7.0 to 3.8.0 by @dependabot in #8
• build(deps-dev): bump mkdocs-material from 9.6.14 to 9.6.15 by @dependabot in #7
• Optimize is_signed method by @swimmwatch in #10
• Release v1.0.2 by @swimmwatch in #11

Full Changelog: v1.0.1...v1.0.2