Fix linting errors

Author: hola-soy-milk

api-spec/components/schemas/extensions.yaml

@@ -42,4 +42,4 @@ properties:
         }
       ```
     type: boolean
-x`-collection: directus_extensions
+x-collection: directus_extensions

api-spec/paths/items/_collection/deleteItems.yaml

@@ -21,9 +21,13 @@ requestBody:
               type: string
           - type: object
             description: Object containing either `keys` or `query` to selected what items to update.
-            data:
+            properties:
               keys:
+                type: array
+                items:
+                  type: string
               items:
+                type: object
 responses:
   '204':
     description: The resource was deleted successfully.

api-spec/paths/permissions/me/_collection/_id/getItemPermissions.yaml

@@ -16,15 +16,15 @@ responses:
       application/json:
         examples:
           collection:
-            data:
+            value:
               update:
                 access: boolean
               delete:
                 access: boolean
               share:
                 access: boolean
           singleton:
-            data:
+            value:
               update:
                 access: boolean
                 presets: permission_presets

api-spec/paths/permissions/me/getUserPermissions.yaml

@@ -8,12 +8,12 @@ description: |
 operationId: getUserPermissions
 responses:
   '200':
-    description: The request was
+    description: The request was successful.
     content:
       application/json:
         examples:
           example:
-            data:
+            value:
               "<collection>":
                 create:
                   access: "none | partial | full"