Update serialising methods and instructions

docs/tutorials/09_saving_and_loading_models.ipynb

@@ -535,7 +535,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "original_classifier.save(\"vqc_classifier.model\")"
+    "original_classifier.to_dill(\"vqc_classifier.model\")"
    ]
   },
   {

qiskit_machine_learning/algorithms/serializable_model.py

@@ -54,7 +54,7 @@ def save(self, *args) -> None:
         """Backwards compatibility with :meth:`to_dill`, deprecated in v0.9.0."""
         issue_deprecation_msg(
             msg="SerializableModelMixin.save() is deprecated.",
-            version="0.9.0",
+            version="0.10.0",
             remedy="Use the to_dill() method instead.",
             period="4 months",
         )
@@ -94,7 +94,7 @@ def load(cls, *args) -> Any:
         """Backwards compatibility with :meth:`from_dill`, deprecated in v0.9.0."""
         issue_deprecation_msg(
             msg="SerializableModelMixin.load() is deprecated.",
-            version="0.9.0",
+            version="0.10.0",
             remedy="Use the from_dill() classmethod instead.",
             period="4 months",
         )

releasenotes/notes/serializable-model-update-io-b708094e41edeb35.yaml

@@ -2,5 +2,5 @@
 deprecations:
   - |
     The methods :meth:`SerializableModelMixin.save` and :meth:`SerializableModelMixin.load` have
-    been deprecated and will be removed (target v0.9.0). Please use
+    been deprecated and will be removed (target v0.10.0). Please use
     :meth:`SerializableModelMixin.to_dill` and :meth:`SerializableModelMixin.from_dill` instead.