Release 0.9.1

This contains both 0.9.1 and 0.9.0.

0.9.1 - 2023-10-24

Added

• Add a better release process to using GitHub actions

Removed

• Remove old build scripts

0.9.0 - 2023-10-24

Added

• Add support for using an arbitrary separator character between the version
  and date of a release heading using the --separator flag
• Add support for parsing non-semver versions
• Add support for disabling wrapping of changelog release entries using the
  --no-wrap flag
• Add support for wrapping at a custom character count using the --wrap-at
  option