correct link in upgrade guide

Author: SimenB

docs/UpgradingToJest29.md

@@ -13,7 +13,7 @@ See [changelog](https://github.com/facebook/jest/blob/main/CHANGELOG.md#2900) fo
 
 :::note
 
-Upgrading from an older version? You can see the upgrade guide from v27 to v28 [here](/docs/upgrading-to-jest28).
+Upgrading from an older version? You can see the upgrade guide from v27 to v28 [here](/docs/28.x/upgrading-to-jest28).
 
 :::
 

website/versioned_docs/version-29.0/UpgradingToJest29.md

@@ -13,7 +13,7 @@ See [changelog](https://github.com/facebook/jest/blob/main/CHANGELOG.md#2900) fo
 
 :::note
 
-Upgrading from an older version? You can see the upgrade guide from v27 to v28 [here](/docs/upgrading-to-jest28).
+Upgrading from an older version? You can see the upgrade guide from v27 to v28 [here](/docs/28.x/upgrading-to-jest28).
 
 :::