Add filesize and applied_at column

Requested at #69886330 (PT)
add GA4 conformance rule

on `GeographicalArea`
>The referenced parent geographical area group must be an existing geographical area with area code = 1 (geographical area group).
Merge pull request #167 from bitzesty/additional_info_for_uploads

Add filesize and applied_at column
add test for GA4 conformance rule
Merge pull request #166 from bitzesty/GA4

add GA4 conformance rule