rc/SIENTIAPDE-2167- fix: corrige imagem MinIO indisponível e cobre metadata_id nos testes e2e

e2e/conftest.py

@@ -48,8 +48,22 @@ def postgres_container():
 
 @pytest_asyncio.fixture(scope='session')
 def minio_container():
-    """MinIO testcontainer used by E2E offload and payload retrieval paths."""
-    minio = MinioContainer()
+    """
+    MinIO testcontainer used by E2E offload and payload retrieval paths.
+
+    `MinioContainer`'s default image (`minio/minio:RELEASE.2022-12-02T19-19-22Z`) no longer
+    pulls — Docker Hub removed the `minio/minio` repository entirely after MinIO's licensing
+    change. Production (`sientia-helm-chart`) already moved to Bitnami's post-Broadcom-migration
+    "legacy" namespace; mirroring that image here. Two more adjustments on top of just the image:
+    the image runs as non-root by default and can't write to the container's anonymous volume
+    without `user='root'`; and Bitnami deprecated `MINIO_ACCESS_KEY`/`MINIO_SECRET_KEY` (what
+    `MinioContainer` sets) in favor of `MINIO_ROOT_USER`/`MINIO_ROOT_PASSWORD` — reusing the same
+    values so `get_client()` still works unmodified.
+    """
+    minio = MinioContainer(image='docker.io/bitnamilegacy/minio:2025.7.23-debian-12-r3')
+    minio.with_env('MINIO_ROOT_USER', minio.access_key)
+    minio.with_env('MINIO_ROOT_PASSWORD', minio.secret_key)
+    minio.with_kwargs(user='root')
     minio.start()
     yield minio
     minio.stop()