forward port 38.0.3 changelog (#7762)

Author: reaperhulk

CHANGELOG.rst

@@ -41,6 +41,14 @@ Changelog
 * Added support for creating OCSP requests with precomputed hashes using
   :meth:`~cryptography.x509.ocsp.OCSPRequestBuilder.add_certificate_by_hash`.
 
+.. _v38-0-3:
+
+38.0.3 - 2022-11-01
+~~~~~~~~~~~~~~~~~~~
+
+* Updated Windows, macOS, and Linux wheels to be compiled with OpenSSL 3.0.7,
+  which resolves *CVE-2022-3602* and *CVE-2022-3786*.
+
 .. _v38-0-2:
 
 38.0.2 - 2022-10-11 (YANKED)