v3.0.4

• chore: Update dependencies
• Replace optimize-css-assets-webpack-plugin to css-minimizer-webpack-plugin
• Remove unwanted packages

v3.0.3

• Migrate sweetalert2 to v11
• chore: Update dependencies

v3.0.2

• Code formatting w/ wpcs

v3.0.1

• Remove unwanted required label

v3.0.0

• Migrate to Google Sheets API v4
  • Drop php-google-spreadsheet-client Because Google Sheets v3 API was shut down on August 2, 2021.