v39.6.0

🚀 Enhancement

• Date-picker: fixes icon design on Firefox and adds keyboard navigation #2093 (@evangeliaPanteliadou @tishoyanchev)

⚠️ Pushed to master

• Update Stencil library version to 39.5.8 (github-actions@github.com)

Authors: 3

• Evangelia Panteliadou (@evangeliaPanteliadou)
• github-actions (github-actions@github.com)
• Tisho Yanchev (@tishoyanchev)