docs: add release notes for 0.38.1 (#10258)

(cherry picked from commit 6bcda5d)

Author: jgongd

docs/release-notes.rst

@@ -10,6 +10,19 @@
  Version 0.38
 **************
 
+Version 0.38.1
+==============
+
+**Release Date:** March 19, 2025
+
+**Security Fixes**
+
+-  Dependency: Update SwaggerUI due to a potential phishing vulnerability behind the "Try-it-out"
+   feature. Refer to the SwaggerUI security advisory `GHSA-qrmm-w75w-3wpx
+   <https://github.com/swagger-api/swagger-ui/security/advisories/GHSA-qrmm-w75w-3wpx>`_.
+
+-  Dependency: Update golang.org/x/crypto.
+
 Version 0.38.0
 ==============