docs: Added upgrade guide for v1.7.12 (#3425)

* docs: Added upgrade guide for v1.7.12

* Update 1-7-12.md

* Update 1-7-12.md

---------

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

docs/content/advanced/backend/upgrade-guides/medusa-core/1-3-0.md

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 description: 'Actions Required for v.1.3.0'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-3-6.md

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 description: 'Actions Required for v.1.3.0'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-3-8.md

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 description: 'Actions Required for v.1.3.0'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-6-1.md

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 description: 'Actions Required for v.1.6.1'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-7-0.md

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 description: 'Actions Required for v.1.7.0'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-7-1.md

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 description: 'Actions Required for v.1.7.1'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-7-12.md

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+description: 'Actions Required for v.1.7.12'
+---
+
+# v1.7.12
+
+Version 1.7.12 of Medusa introduces some database schema changes which require running the migrations command.
+
+## Overview
+
+This release contains a migration to ensure that the `product_variant_inventory` table is in its correct state. This is due to a mistake in a previous version where a column name was renamed in an already released migration. This could lead to errors if the migration was applied before the renaming of the column. 
+
+## Actions Required
+
+### Run Migrations
+
+After updating your Medusa server and before running it, run the following command to run the latest migrations:
+
+```bash
+medusa migrations run
+```

docs/content/advanced/backend/upgrade-guides/medusa-core/1-7-3.md

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 description: 'Actions Required for v.1.7.3'
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docs/content/advanced/backend/upgrade-guides/medusa-core/1-7-6.md

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 description: 'Actions Required for v.1.7.6'
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