fixup! Issue #389 eliminate deprecated datetime.utcnow() usage

Author: soxofaan

tests/test_server.py

@@ -1,12 +1,12 @@
 import re
-from datetime import datetime
+import datetime
 
 from openeo_driver.server import build_backend_deploy_metadata
 
 
 def test_build_backend_deploy_metadata():
     data = build_backend_deploy_metadata(packages=["openeo", "openeo_driver", "foobarblerghbwop"])
-    assert data["date"].startswith(datetime.utcnow().strftime("%Y-%m-%dT%H"))
+    assert data["date"].startswith(datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%dT%H"))
     assert re.match(r"\d+\.\d+\.\d+", data["versions"]["openeo"])
     assert re.match(r"\d+\.\d+\.\d+", data["versions"]["openeo_driver"])
     assert data["versions"]["foobarblerghbwop"] == "n/a"

tests/test_workspace.py

@@ -200,7 +200,7 @@ def _collection(
         extent=Extent(spatial_extent, temporal_extent),
     )
 
-    item = Item(id=asset_filename, geometry=None, bbox=None, datetime=dt.datetime.utcnow(), properties={})
+    item = Item(id=asset_filename, geometry=None, bbox=None, datetime=dt.datetime.now(dt.timezone.utc), properties={})
 
     asset_path = root_path / item.id / asset_filename
     asset = Asset(href=asset_path.name)  # relative to item