[indicators] Reflecting that main key in the JSON is now 'indicatorsets' instead of 'carepogram'

paths/qoc_indicatorsets.yaml

@@ -6,7 +6,7 @@ get:
   description: |-
     List all available indicator sets. Includes all sets that the user is allowed to enable or preview, i.e. even ones that shouldn't be shown by default.
 
-    This endpoint is also reachable using URL `/qoc/careprogram`, but depricated.
+    This endpoint is also reachable using URL `/qoc/careprogram`, but that endpoint is deprecated.
   parameters:
     - name: carePrograms
       in: query
@@ -35,7 +35,7 @@ get:
           schema:
             type: object
             properties:
-              programs:
+              indicatorsets:
                 type: array
                 items:
                   type: object