add latest release and warning

Author: jdpleiness

docs/releases.mdx

@@ -12,6 +12,7 @@ Currently supported versions of Sourcegraph:
 
 | **Release**  | **General Availability Date** | **Supported** | **Release Notes**                                                  | **Install**                                          |
 |--------------|-------------------------------|---------------|--------------------------------------------------------------------|------------------------------------------------------|
+| 5.10 Patch 3 | December 2024                 | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v5103940) | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 5.10 Patch 2 | December 2024                 | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v5102832) | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 5.10 Patch 1 | December 2024                 | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v5101164) | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 5.10 Patch 0 | November 2024                 | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v5100)    | [Install](https://sourcegraph.com/docs/admin/deploy) |

docs/technical-changelog.mdx

@@ -6,6 +6,20 @@ This page documents all notable changes to Sourcegraph. For more detailed change
 
 # 5.10 Patch 3
 
+> Warning: This release updates the database container images from Postgres 12 to Postgres 16, and begins using Wolfi based images. Customers are advised to have a database backup before upgrading! See our [postgres 12 end of life](https://sourcegraph.com/docs/admin/postgres12_end_of_life_notice#postgres-12-end-of-life) notice!
+>
+> Also be sure to check your deployment type's [upgrade notes](http://sourcegraph.com/docs/admin/updates#instance-specific-procedures)!
+
+## v5.10.3940
+
+- [sourcegraph](https://github.com/sourcegraph/sourcegraph/releases/tag/v5.10.3940)
+
+- [docker-compose](https://github.com/sourcegraph/deploy-sourcegraph-docker/releases/tag/v5.10.3940)
+
+- [helm](https://github.com/sourcegraph/deploy-sourcegraph-helm/releases/tag/v5.10.3940)
+
+- [kustomize](https://github.com/sourcegraph/deploy-sourcegraph-k8s/releases/tag/v5.10.3940)
+
 ### Features
 
 #### Security