Release 1.0.0

What's Changed

• Support Python 3.11 and drop 3.6 and 3.7 by @johnthagen in #65
• Bump minimum mkdocs version to 1.4.0 by @johnthagen in #66
• Support validating anchors containing emojis by @johnthagen in #67

Full Changelog: v0.13.1...v1.0.0