Update OpenAPI for b3a9fc9ee98588916fac85fac03e48c534242aa4 (#966)

Co-authored-by: Stripe OpenAPI <105521251+stripe-openapi[bot]@users.noreply.github.com>
Co-authored-by: etsai-stripe <88805634+etsai-stripe@users.noreply.github.com>

api/openapi-spec/spec3.sdk.json

@@ -10929,7 +10929,8 @@
               "pci_document",
               "selfie",
               "sigma_scheduled_query",
-              "tax_document_user_upload"
+              "tax_document_user_upload",
+              "terminal_reader_splashscreen"
             ],
             "type": "string",
             "x-stripeBypassValidation": true
@@ -48075,7 +48076,8 @@
               "outbound_payment",
               "payout"
             ],
-            "type": "string"
+            "type": "string",
+            "x-stripeBypassValidation": true
           }
         },
         "required": [
@@ -59322,7 +59324,7 @@
                               "type": "boolean"
                             },
                             "maximum": {
-                              "description": "The maximum quantity the customer can purchase for the Checkout Session. By default this value is 99. You can specify a value up to 999.",
+                              "description": "The maximum quantity the customer can purchase for the Checkout Session. By default this value is 99. You can specify a value up to 999999.",
                               "type": "integer"
                             },
                             "minimum": {
@@ -68315,7 +68317,7 @@
                     "type": "integer"
                   },
                   "file": {
-                    "description": "The ID of the file. The file's `purpose` must be one of the following: `business_icon`, `business_logo`, `customer_signature`, `dispute_evidence`, `finance_report_run`, `identity_document_downloadable`, `pci_document`, `selfie`, `sigma_scheduled_query`, or `tax_document_user_upload`.",
+                    "description": "The ID of the file. The file's `purpose` must be one of the following: `business_icon`, `business_logo`, `customer_signature`, `dispute_evidence`, `finance_report_run`, `identity_document_downloadable`, `pci_document`, `selfie`, `sigma_scheduled_query`, `tax_document_user_upload`, or `terminal_reader_splashscreen`.",
                     "maxLength": 5000,
                     "type": "string"
                   },
@@ -68647,7 +68649,8 @@
                 "pci_document",
                 "selfie",
                 "sigma_scheduled_query",
-                "tax_document_user_upload"
+                "tax_document_user_upload",
+                "terminal_reader_splashscreen"
               ],
               "maxLength": 5000,
               "type": "string",
@@ -68776,7 +68779,7 @@
                     "description": "Optional parameters to automatically create a [file link](https://stripe.com/docs/api#file_links) for the newly created file.",
                     "properties": {
                       "create": {
-                        "description": "Set this to `true` to create a file link for the newly created file. Creating a link is only possible when the file's `purpose` is one of the following: `business_icon`, `business_logo`, `customer_signature`, `dispute_evidence`, `pci_document`, or `tax_document_user_upload`.",
+                        "description": "Set this to `true` to create a file link for the newly created file. Creating a link is only possible when the file's `purpose` is one of the following: `business_icon`, `business_logo`, `customer_signature`, `dispute_evidence`, `pci_document`, `tax_document_user_upload`, or `terminal_reader_splashscreen`.",
                         "type": "boolean"
                       },
                       "expires_at": {
@@ -68819,7 +68822,8 @@
                       "dispute_evidence",
                       "identity_document",
                       "pci_document",
-                      "tax_document_user_upload"
+                      "tax_document_user_upload",
+                      "terminal_reader_splashscreen"
                     ],
                     "type": "string",
                     "x-stripeBypassValidation": true
@@ -129142,7 +129146,8 @@
                     "outbound_payment",
                     "payout"
                   ],
-                  "type": "string"
+                  "type": "string",
+                  "x-stripeBypassValidation": true
                 }
               },
               "required": [