docs: Prepare 1.3.0 release

UPGRADE.md

@@ -9,6 +9,7 @@ before finalizing the upgrade process.
 
 
 - [Hassle-free upgrades](#hassle-free-upgrades)
+- [1.3.0](#130)
 - [1.2.0](#120)
 - [1.1.0](#110)
 - [1.0.9](#109)
@@ -143,6 +144,10 @@ Do you want the latest features and patches without work and hassle? Are you loo
 secure deployment with zero effort? We can run it for you! If you're interested,
 [contact us now](mailto:hi@ory.sh)!
 
+## 1.3.0
+
+Please run `hydra migrate sql` when upgrading to this version. For more information, check https://github.com/ory/hydra/commit/d9308fa0dba26019a59e4d97e85b036133ad8362.
+
 ## 1.2.0
 
 This release focuses on a rework of the SDK pipeline. First of all, we have introduced new SDKs for all popular programming