Unable to query 30d data with 1h resolution from Thanos without errors

Dealing with an incident, so putting this here as a placeholder, more details to follow later....

image

https://thanos-query.ops.gitlab.net/graph?g0.range_input=30d&g0.expr=sum(rate(gitlab_workhorse_http_requests_total%7Bcode%3D%22503%22%2C%20environment%3D%22gprd%22%2C%20env%3D%22gprd%22%7D%5B1h%5D))&g0.tab=0

cc @ansdval @bjk-gitlab