DEVDOCS-5966: [update] correct contentType

reference/catalog/brands_catalog.v3.yml

@@ -1321,7 +1321,7 @@ paths:
         Only one image at a time can be created. To update a brand image, use the [Update a brand](/docs/rest-catalog/brands#update-a-brand) endpoint and an `image_url`.
       operationId: createBrandImage
       parameters:
-        - $ref: '#/components/parameters/ContentType'
+        - $ref: '#/components/parameters/MultipartContentType'
       requestBody:
         content:
           multipart/form-data:
@@ -2658,6 +2658,14 @@ components:
       schema:
         type: string
         default: 'application/json'
+    MultipartContentType:
+      name: Content-Type
+      in: header
+      required: true
+      description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+      schema:
+        type: string
+        default: 'mutipart/form-data'
   responses:
     Error:
       description: ''

reference/catalog/categories_catalog.v3.yml

@@ -1298,7 +1298,7 @@ paths:
         To update a *Category Image*, use the [Update categories](/docs/rest-catalog/category-trees/categories#update-categories) endpoint and an `image_url`.
       operationId: createCategoryImage
       parameters:
-        - $ref: '#/components/parameters/ContentType'
+        - $ref: '#/components/parameters/MultipartContentType'
       requestBody:
         content:
           multipart/form-data:
@@ -2710,6 +2710,14 @@ components:
       schema:
         type: string
         default: 'application/json'
+    MultipartContentType:
+      name: Content-Type
+      in: header
+      required: true
+      description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+      schema:
+        type: string
+        default: 'mutipart/form-data'
     ContentType:
       name: Content-Type
       in: header

reference/catalog/product-modifiers_catalog.v3.yml

@@ -1624,7 +1624,7 @@ paths:
         - image_file: Form posts are the only accepted upload option.
       operationId: createProductModifierImage
       parameters:
-        - $ref: '#/components/parameters/ContentType'
+        - $ref: '#/components/parameters/MultipartContentType'
       requestBody:
         content:
           multipart/form-data:
@@ -2187,6 +2187,14 @@ components:
       schema:
         type: string
         default: 'application/json'
+    MultipartContentType:
+      name: Content-Type
+      in: header
+      required: true
+      description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+      schema:
+        type: string
+        default: 'mutipart/form-data'
     PageParam:
       name: page
       description: |

reference/catalog/product-variants_catalog.v3.yml

@@ -887,7 +887,7 @@ paths:
         - image_url: Any publicly available URL
       operationId: createProductVariantImage
       parameters:
-        - $ref: '#/components/parameters/ContentType'
+        - $ref: '#/components/parameters/MultipartContentType'
       requestBody:
         content:
           application/json:
@@ -2991,6 +2991,14 @@ components:
       schema:
         type: string
         default: 'application/json'
+    MultipartContentType:
+      name: Content-Type
+      in: header
+      required: true
+      description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+      schema:
+        type: string
+        default: 'mutipart/form-data'
     PageParam:
       name: page
       description: |

reference/catalog/products_catalog.v3.yml

@@ -1277,13 +1277,19 @@ paths:
 
         **Usage Notes**
         - `image_url` - `255` character limit
-        - For file uploads, use the `multipart/form-data` media type. See [Adding product images](/docs/store-operations/catalog#adding-product-images) for more information.
+        - `Content-Type` - For `image_file`, use the `multipart/form-data` media type. For `image_url`, use the application/json type. See [Adding product images](/docs/store-operations/catalog#adding-product-images) for more information.
         - You can create only one image at a time. A product can have up to 1000 images.
         - Supported image file types are BMP, GIF, JPEG, PNG, WBMP, XBM, and WEBP.
         - Each image file or image uploaded by URL can be up to 8 MB.
       operationId: createProductImage
       parameters:
-        - $ref: '#/components/parameters/ContentType'
+      - name: Content-Type
+        in: header
+        required: true
+        description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+        schema:
+          type: string
+          enum: [application/json, multipart/form-data]
       requestBody:
         content:
           application/json:
@@ -8781,6 +8787,14 @@ components:
       schema:
         type: string
         default: 'application/json'
+    MultipartContentType:
+      name: MultipartContent-Type
+      in: header
+      required: true
+      description: 'The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types) of the request body.'
+      schema:
+        type: string
+        default: 'mutipart/form-data'
     PageParam:
       name: page
       description: |