docs(nx-cloud): update release notes (#31563)

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Fixes #

docs/nx-cloud/reference/release-notes.md

@@ -1,5 +1,9 @@
 # Enterprise Release Notes
 
+### 2025.06.1
+
+- Fix: GitHub connection issue on nx-api startup when Nx Agents are active
+
 ### 2025.06
 
 - Feat: Define your own custom resource classes (CPU, RAM etc.) for use with Nx Agents