Update festival timings

[edrushka]

Please update the timings on https://mozillafestival.org/expect

Saturday

• Change lunch to 12:00 to 14:00

  Sunday

• change 10:00 Welcome & Opening to 9: 30 MozFest Breakfast
• change 14:30 Afternoon sessions begin to 14:00 Afternoon sessions begin

@mmmavis after you get the schedule live on prod can you please make this your second priority? We want to point people to the page in an email we're sending on the 18th.

[edrushka]

@KGorr to see when this has been done