update changelog and support policy

Author: RitvikKapila

CHANGELOG.rst

@@ -7,12 +7,19 @@ Changelog
 
 Deprecation
 -----------
-The AWS DynamoDB Encryption Client for Python no longer supports Python 3.7
+* The AWS DynamoDB Encryption Client for Python no longer supports Python 3.7
 as of version 3.3; only Python 3.8+ is supported.
+* We no longer support OpenSSL 1.0.1 or 1.0.2, as per `cryptography documentation <https://cryptography.io/en/3.4.6/installation.html#supported-platforms>`_.
 
 Feature
 -----------
 * Warn on Deprecated Python 3.7 usage
+* Add Python 3.11 to CI
+* Add Python 3.12 to CI
+
+Maintenance
+-----------
+* Update requirements for boto3 (>=1.10.0) and cryptography (>=3.4.6)
 
 3.2.0 -- 2021-12-19
 ===================

SUPPORT_POLICY.rst

@@ -32,6 +32,6 @@ This table describes the current support status of each major version of the AWS
     * - 3.x
       - Generally Available
       - Maintenance
-      - 2023-07-23
+      - 2024-08-05
 
 .. _AWS SDKs and Tools Maintenance Policy: https://docs.aws.amazon.com/sdkref/latest/guide/maint-policy.html#version-life-cycle