Update changelog for `6.11.0`
Update changelog for `6.11.0`

faceair/nativefier-slack,jiahaog/Nativefier,skewedlines/Nativefier,pixel9/nativefier,gfpacheco/Nativefier,pixel9/nativefier,gfpacheco/Nativefier,gfpacheco/Nativefier,skewedlines/Nativefier,zucher/nativefier,faceair/nativefier-slack,pixel9/nativefier,skewedlines/Nativefier,jiahaog/Nativefier,zucher/nativefier,zucher/nativefier,jiahaog/Nativefier