adds releas enote for redis mtls bug

Author: theoskolnik

content/terraform-enterprise/1.0.x/docs/enterprise/releases/1.0.x/index.mdx

@@ -63,7 +63,7 @@ Below is a list of the most recent Terraform Enterprise Releases that can deploy
 <span class="h4-size">2025-08-18</span>
 
 ## Bug Fixes
-1. Enter bug fix here
+1. This release fixes a bug for Terraform Enterprise installs that make use of Redis with mTLS where the archivist service exited early.
 
 ## 1.0.0
 <span class="h4-size">2025-08-11</span>