Add the release note for 1.32.3 (#6164)

Author: minwoox

site/src/pages/release-notes/1.32.3.mdx

@@ -0,0 +1,18 @@
+---
+date: 2025-03-17
+---
+
+## 🛠️ Bug fixes
+
+- Fixed a bug where outdated endpoints were not removed in <type://KubernetesEndpointGroup>. #6161
+- Spring integration doesn't throw an exception anymore when the port that is less than `0` is specified. #6162
+
+## 🙇 Thank you
+
+<ThankYou usernames={[
+  'Dogacel',
+  'ikhoon',
+  'jrhee17',
+  'minwoox',
+  'trustin'
+]} />