fix attachment file size limit in server backend (#35519) (#35720)

Backport #35519 by @a1012112796

fix #35512

Co-authored-by: a1012112796 <1012112796@qq.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/swagger/v1_json.tmpl

@@ -9569,6 +9569,9 @@
           "404": {
             "$ref": "#/responses/error"
           },
+          "413": {
+            "$ref": "#/responses/error"
+          },
           "422": {
             "$ref": "#/responses/validationError"
           },
@@ -10194,6 +10197,9 @@
           "404": {
             "$ref": "#/responses/error"
           },
+          "413": {
+            "$ref": "#/responses/error"
+          },
           "422": {
             "$ref": "#/responses/validationError"
           },
@@ -15510,6 +15516,9 @@
           },
           "404": {
             "$ref": "#/responses/notFound"
+          },
+          "413": {
+            "$ref": "#/responses/error"
           }
         }
       }