gdc api status for pp cache invalidation

[xzhou82]

from Phil:
See the "data_release_version" in this example.
$ curl -s https://api.gdc.cancer.gov/status | jq .
{
"commit": "7c8ffd0436bb0bb4dafed2d191586309ba6618bf",
"data_release": "Data Release 41.0 - August 28, 2024",
"data_release_version": {
"major": 41,
"minor": 0,
"release_date": "2024-08-28"
},
"status": "OK",
"tag": "7.5.1",
"version": 1
}

once the gdc api change is in prod, reopen issue to delete unused code