feat: add new apispec for the new amalthea sessions (#360)

Author: olevski

components/renku_data_services/notebooks/api.spec.yaml

@@ -978,6 +978,7 @@ components:
         gpu:
           type: integer
           description: Number of GPUs used
+          default: 0
         memory:
           type: integer
           description: Ammount of RAM for the session, in gigabytes
@@ -1023,7 +1024,7 @@ components:
         storage_id:
           allOf:
             - "$ref": "#/components/schemas/Ulid"
-            - description: The storage ID is used to know which storage config from the DB should be overriden
+            - description: If the storage_id is provided then this config must replace an existing storage config in the session
       required:
         - configuration
         - source_path

components/renku_data_services/notebooks/apispec.py

@@ -1,6 +1,6 @@
 # generated by datamodel-codegen:
 #   filename:  api.spec.yaml
-#   timestamp: 2024-10-07T22:25:48+00:00
+#   timestamp: 2024-10-28T14:23:40+00:00
 
 from __future__ import annotations
 
@@ -245,7 +245,7 @@ class SessionStatus(BaseAPISpec):
 
 class SessionResourcesRequests(BaseAPISpec):
     cpu: Optional[float] = Field(None, description="Fractional CPUs")
-    gpu: Optional[int] = Field(None, description="Number of GPUs used")
+    gpu: int = Field(0, description="Number of GPUs used")
     memory: Optional[int] = Field(
         None, description="Ammount of RAM for the session, in gigabytes"
     )