(DOCSP-48480) Adds release notes for March 17 2025 release (#135)

Author: sarahsimpers

source/release-notes.txt

@@ -15,6 +15,22 @@
 This page lists the changes introduced in each new version of the 
 {+atlas-arch-center+}.
 
+v20250317
+---------
+
+**Released 17 March, 2025**
+
+- :ref:`arch-center-hierarchy` page: Minor update to add
+  guidance for when to consider multiple {+clusters+} per project
+  and managing local {+service+} deployments using containers.
+- :ref:`arch-center-high-availability` page: Minor update to add
+  more guidance for high availability and link to other pages with
+  existing guidance.
+- :ref:`arch-center-automation` page: Minor update to explain the 
+  advantages of using {+service+}'s {+iac+} tools.
+- :ref:`arch-center-automation` page: Minor update to add info about
+  dashboards.
+
 v20250228
 ---------