chore(docs): Generated References (automated) (#9727)

Generated the following references:
- `api_key`
- `auth`
- `cart`
- `core_flows`
- `currency`
- `customer`
- `dml`
- `fulfillment`
- `helper_steps`
- `inventory_next`
- `js_sdk`
- `medusa`
- `medusa_config`
- `modules`
- `modules_sdk`
- `notification`
- `order`
- `order_models`
- `payment`
- `pricing`
- `product`
- `promotion`
- `region`
- `sales_channel`
- `stock_location_next`
- `store`
- `tax`
- `tax_provider`
- `types`
- `user`
- `utils`
- `workflows`

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/resources/references/modules/tax/page.mdx

@@ -30,6 +30,7 @@ import { TypeList } from "docs-ui"
 - [UpsertTaxRateDTO](../../tax/interfaces/tax.UpsertTaxRateDTO/page.mdx)
 - [UpdateTaxRateDTO](../../tax/interfaces/tax.UpdateTaxRateDTO/page.mdx)
 - [CreateTaxRegionDTO](../../tax/interfaces/tax.CreateTaxRegionDTO/page.mdx)
+- [UpdateTaxRegionDTO](../../tax/interfaces/tax.UpdateTaxRegionDTO/page.mdx)
 - [CreateTaxRateRuleDTO](../../tax/interfaces/tax.CreateTaxRateRuleDTO/page.mdx)
 - [ITaxModuleService](../../tax/interfaces/tax.ITaxModuleService/page.mdx)
 - [IBigNumber](../../tax/interfaces/tax.IBigNumber/page.mdx)