feat: Add cost definition and update image variants

Author: Alan Christie

roles/operator/templates/configmap-data-manager.yaml.j2

@@ -21,8 +21,15 @@ data:
     # (i.e. do not need an ImagePullSecret).
     # The key is the image (including its tag).
     # The value is the image symbolic name.
-    jupyter/minimal-notebook:2022-09-12 = Minimal
-    jupyter/r-notebook:r-4.1.3 = r v4
-    jupyter/scipy-notebook:2022-09-12 = SciPy
-    jupyter/tensorflow-notebook:tensorflow-2.9.1 = Tensorflow 2.9
-    jupyter/datascience-notebook:2022-09-12 = DataScience
+    quay.io/jupyter/minimal-notebook:2025-09-16 = Minimal
+    quay.io/jupyter/r-notebook:r-4.4.3 = r v4
+    quay.io/jupyter/scipy-notebook:2025-09-16 = SciPy
+    quay.io/jupyter/tensorflow-notebook:tensorflow-2.20.0 = Tensorflow 2.20
+    quay.io/jupyter/datascience-notebook:2025-09-16 = DataScience
+
+    [cost]
+    # Charging configuration
+    cost = 1
+    unit = PxGi
+    period = 1 hour
+    pro rata = yes