Restore consistent parenthesized-with form

The Copilot autofix in c635619 reverted one of four parenthesized-with
blocks back to the chained form, leaving the file inconsistent under
the project's ruff target (py39 prefers the parenthesized form per the
3.9 PEG parser). Re-running ruff format restores all four blocks to
the canonical form so ruff format --check passes again.

The "parenthesized with is 3.10+ only" concern is technically
incorrect on this codebase: the 3.9 PEG parser accepts it, and the
last CI run on 3a6cad9 / 2f7cf10 passed test (ubuntu-latest, 3.9) and
test (windows-latest, 3.9) with this syntax in place.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: thodson-usgs

tests/waterdata_filters_test.py

@@ -446,14 +446,17 @@ def fake_construct_api_requests(**kwargs):
         sent_filters.append(kwargs.get("filter"))
         return _fake_prepared_request()
 
-    with mock.patch(
-        "dataretrieval.waterdata.utils._construct_api_requests",
-        side_effect=fake_construct_api_requests,
-    ), mock.patch(
-        "dataretrieval.waterdata.utils._walk_pages",
-        return_value=(
-            pd.DataFrame({"id": ["row-1"], "value": [1]}),
-            _fake_response(),
+    with (
+        mock.patch(
+            "dataretrieval.waterdata.utils._construct_api_requests",
+            side_effect=fake_construct_api_requests,
+        ),
+        mock.patch(
+            "dataretrieval.waterdata.utils._walk_pages",
+            return_value=(
+                pd.DataFrame({"id": ["row-1"], "value": [1]}),
+                _fake_response(),
+            ),
         ),
     ):
         get_continuous(