Release 0.31.3

• Fix Ava configuration file (1ef039c)
• Upgrade ava 2.4.0 -> 3.0.0-beta.2 (27b03d8)
• Update Ava configuration file for Ava 3 (02a9f16)
• Upgrade husky 4.0.9 -> 4.0.10 (189a9d3)
• Upgrade core-js 3.6.3 -> 3.6.4 (8662688)
• Upgrade @babel/register 7.8.0 -> 7.8.3 (4b37305)
• Upgrade @babel/preset-env 7.8.2 -> 7.8.3 (cecd525)
• Upgrade husky 4.0.7 -> 4.0.9 (165aae6)
• Upgrade @babel/preset-env 7.8.0 -> 7.8.2 (25ff3d8)
• Upgrade @babel/register 7.7.7 -> 7.8.0 (cec7b2e)
• Upgrade @babel/preset-env 7.7.7 -> 7.8.0 (e2240b1)
• Upgrade husky 4.0.6 -> 4.0.7 (041385d)