update notice file and releasenotes before release 3.8.2

(cherry picked from commit 004d679643b1c1db0594efe0a7965372bf320462)

NOTICE.txt

@@ -1,5 +1,5 @@
 Apache ZooKeeper
-Copyright 2009-2022 The Apache Software Foundation
+Copyright 2009-2023 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).

zookeeper-docs/src/main/resources/markdown/releasenotes.md

@@ -14,6 +14,32 @@ See the License for the specific language governing permissions and
 limitations under the License.
 //-->
 
+
+# Release Notes - ZooKeeper - Version 3.8.2
+
+## Bug
+
+* [ZOOKEEPER-4674](https://issues.apache.org/jira/browse/ZOOKEEPER-4674) - C client tests don't pass on CI
+* [ZOOKEEPER-4647](https://issues.apache.org/jira/browse/ZOOKEEPER-4647) - Tests don't pass on JDK20 because we try to mock InetAddress
+* [ZOOKEEPER-4026](https://issues.apache.org/jira/browse/ZOOKEEPER-4026) - CREATE2 requests embeded in a MULTI request only get a regular CREATE response
+* [ZOOKEEPER-4393](https://issues.apache.org/jira/browse/ZOOKEEPER-4393) - Problem to connect to zookeeper in FIPS mode
+
+## Improvement
+
+* [ZOOKEEPER-3860](https://issues.apache.org/jira/browse/ZOOKEEPER-3860) - Avoid reverse DNS lookup for hostname verification when hostnames are provided in the connection url
+
+## Task
+
+* [ZOOKEEPER-4599](https://issues.apache.org/jira/browse/ZOOKEEPER-4599) - Upgrade Jetty to avoid CVE-2022-2048
+* [ZOOKEEPER-4669](https://issues.apache.org/jira/browse/ZOOKEEPER-4669) - Upgrade snappy-java to 1.1.9.1 in order to support M1 macs
+* [ZOOKEEPER-4688](https://issues.apache.org/jira/browse/ZOOKEEPER-4688) - Upgrade cyclonedx-maven-plugin to 2.7.6
+* [ZOOKEEPER-4700](https://issues.apache.org/jira/browse/ZOOKEEPER-4700) - Update Jetty for fixing CVE-2023-26048 and CVE-2023-26049
+* [ZOOKEEPER-4707](https://issues.apache.org/jira/browse/ZOOKEEPER-4707) - Update snappy-java to address multiple CVEs
+* [ZOOKEEPER-4709](https://issues.apache.org/jira/browse/ZOOKEEPER-4709) - Upgrade Netty to 4.1.94.Final
+* [ZOOKEEPER-4716](https://issues.apache.org/jira/browse/ZOOKEEPER-4716) - Upgrade jackson to 2.15.2 and suppress two false positive CVE errors
+
+
+
 # Release Notes - ZooKeeper - Version 3.8.1
 
 ## Bug