docs: Add 1.8.1 upgrade guide (#3804)

* docs: Add 1.8.1 upgrade guide

* Update docs/content/upgrade-guides/medusa-core/1-8-1.md

Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

* Update docs/content/upgrade-guides/medusa-core/1-8-1.md

Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

---------

Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

docs/content/upgrade-guides/medusa-core/1-8-1.md

@@ -0,0 +1,37 @@
+---
+description: 'Actions Required for v.1.8.1'
+sidebar_custom_props:
+  iconName: 'server-stack-solid'
+---
+
+# v1.8.1
+
+Version 1.8.1 of Medusa introduces database schema changes which require running the migrations command.
+
+## Overview​
+
+This release introduces a new column named `description` on Product Categories. It is required to run migrations to ensure your backend works as expected.
+
+---
+
+## How to Update
+
+Run the following command in the root directory of your Medusa Backend:
+
+```bash npm2yarn
+npm install @medusajs/medusa@1.8.1
+```
+
+It's also recommended to update any other Medusa plugins or packages you have installed.
+
+---
+
+## Actions Required​
+
+### Run Migrations​
+
+After updating your Medusa backend and before running it, run the following command to run the latest migrations:
+
+```bash
+medusa migrations run
+```