fix(docs): correct openapi docs minor issues (#3648)

Author: Fuochi

overseerr-api.yml

@@ -3170,6 +3170,12 @@ paths:
         Updates a single slider and return the newly updated slider. Requires the `ADMIN` permission.
       tags:
         - settings
+      parameters:
+        - in: path
+          name: sliderId
+          required: true
+          schema:
+            type: number
       requestBody:
         required: true
         content:
@@ -3467,7 +3473,7 @@ paths:
                   results:
                     type: array
                     items:
-                    $ref: '#/components/schemas/User'
+                      $ref: '#/components/schemas/User'
     post:
       summary: Create new user
       description: |