Reinstate `S3SearchableSnapshotsCredentialsReloadIT` in FIPS JVMs#126324

Merged

elasticsearchmachine merged 3 commits intoelastic:8.xfrom

DaveCTurner:2025/04/04/backport-126109-S3SearchableSnapshotsCredentialsReloadIT-fips-8x

Apr 4, 2025

Commits on Apr 4, 2025