Release 0.2.1: Bugfix for calculating Independence Day date

[0.2.1] - 2024-07-07

• #30 Updated and enhanced README.md.
• #53 Upgrade dependencies.
• #63 Upgrade dependencies and automate release process.
• #62 Fixed parsing either statement from configuration file

Version 0.2.0

[0.2.0] - 2021-06-19

• #5 Support month names.
• #7 Added documentation for API users.
• #21 Use java.time.MonthDay instead of integers.
• #10 Support holidays with conditions and alternative dates.
• #23 Support negated list of days of week for holidays with alternative dates.
• #9 Support floating holidays with additional offset in days.
• #6 Added holiday-definition files for various countries.