fix(workbenches): use the latest 2025.2 image version for verification

Author: jstourac

tests/workbenches/conftest.py

@@ -42,7 +42,7 @@ def users_persistent_volume_claim(
 def minimal_image() -> Generator[str, None, None]:
     """Provides a full image name of a minimal workbench image"""
     image_name = "jupyter-minimal-notebook" if py_config.get("distribution") == "upstream" else "s2i-minimal-notebook"
-    yield f"{image_name}:{'2025.1'}"
+    yield f"{image_name}:{'2025.2'}"
 
 
 @pytest.fixture(scope="function")