release-5.1.2

What's Changed

• Bump urllib3 from 1.26.17 to 1.26.18 by @dependabot in #82
• Fix bug where equal sign could not be in value of header by @hugosjoberg in #84

New Contributors

• @hugosjoberg made their first contribution in #84

Full Changelog: release-5.1.1...release-5.1.2