Support for phased genotypes

[0.10.0]

Added

• Support for phased genotypes

Changed

• Update GitHub actions automation workflows

Fixed

• IndexError when FORMAT fields contain only a single value

What's Changed

• Fix IndexError when FORMAT fields contain only a single value and support for phased GTs by @fellen31 in #106
• Update workflows by @dnil in #107
• Version 0.10.0 by @dnil in #108

Full Changelog: v0.9.5...v0.10.0