fix non exisitng eoan and add 21.04 and 21.10 versions

for some reason eoan box is 404. replaced this one with 21.04 and added 21.10 versions founded at https://app.vagrantup.com/ubuntu

➜  ~ uname -a
Linux ubuntu-impish 5.13.0-19-generic #19-Ubuntu SMP Thu Oct 7 21:58:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux