update releases.mdx (#1290)

<!-- Explain the changes introduced in your PR -->
forgot to add release.mdx and change the patch from 1 to 2 in the
previous PR

## Pull Request approval

You will need to get your PR approved by at least one member of the
Sourcegraph team. For reviews of docs formatting, styles, and component
usage, please tag the docs team via the #docs Slack channel.

Author: Chickensoupwithrice

docs/releases.mdx

@@ -12,6 +12,7 @@ Currently supported versions of Sourcegraph:
 
 | **Release**  | **General Availability Date** | **Supported** | **Release Notes**                                                  | **Install**                                          |
 |--------------|-------------------------------|---------------|--------------------------------------------------------------------|------------------------------------------------------|
+| 6.6 Patch 1  | June 2025                     | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v66868)   | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 6.6 Patch 0  | June 2025                     | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v660)     | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 6.5 Patch 2  | June 2025                     | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v652654)  | [Install](https://sourcegraph.com/docs/admin/deploy) |
 | 6.5 Patch 1  | June 2025                     | ✅             | [Notes](https://sourcegraph.com/docs/technical-changelog#v651211)  | [Install](https://sourcegraph.com/docs/admin/deploy) |

docs/technical-changelog.mdx

@@ -4,7 +4,7 @@ This page documents all notable changes to Sourcegraph. For more detailed change
 
 {/* CHANGELOG_START */}
 
-# 6.6 Patch 2
+# 6.6 Patch 1
 
 ## v6.6.868