docs: update to v0.44 migration (#10070)

## Description

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This pull request updates the migration documentation to v0.44.

Also, this pull request alongside #10069 closes #9998.

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docs/core/upgrade.md

@@ -14,7 +14,7 @@ The Cosmos SDK uses two methods to perform upgrades.
 
 - Exporting the entire application state to a JSON file using the `export` CLI command, making changes, and then starting a new binary with the changed JSON file as the genesis file. See [Chain Upgrade Guide to v0.42](https://docs.cosmos.network/v0.42/migrations/chain-upgrade-guide-040.html).
 
-- Version v0.43 and later can perform upgrades in place to significantly decrease the upgrade time for chains with a larger state. Use the [Module Upgrade Guide](../building-modules/upgrade.md) to set up your application modules to take advantage of in-place upgrades.
+- Version v0.44 and later can perform upgrades in place to significantly decrease the upgrade time for chains with a larger state. Use the [Module Upgrade Guide](../building-modules/upgrade.md) to set up your application modules to take advantage of in-place upgrades.
   
 This document provides steps to use the In-Place Store Migrations upgrade method.