fix readme and version

Author: 8naama

README.md

@@ -136,11 +136,9 @@ public class LogzioSenderExample {
 
 
 ## Release notes
-- 3.0.0
+- 2.3.0
     - Upgraded `logzio-sender-test` to use Jetty 12 with Servlet EE9 environment.
-    - Dropped support for Java 11 — Java 17 or higher is now required.
     - Upgrade dependencies.
-    - Migrated artifact publishing from OSSRH to Central Portal.
  - 2.2.0
    - Add `WithOpentelemetryContext` parameter to add `trace_id`, `span_id`, `service_name` fields to logs when opentelemetry context is available.
  - 2.1.0

logzio-sender-test/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>logzio-java-sender</artifactId>
         <groupId>io.logz.sender</groupId>
-        <version>3.0.0</version>
+        <version>2.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

logzio-sender/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>logzio-java-sender</artifactId>
         <groupId>io.logz.sender</groupId>
-        <version>3.0.0</version>
+        <version>2.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

pom.xml

@@ -7,7 +7,7 @@
     <groupId>io.logz.sender</groupId>
     <artifactId>logzio-java-sender</artifactId>
     <packaging>pom</packaging>
-    <version>3.0.0</version>
+    <version>2.3.0</version>
 
     <name>Logz.io Logs Sender</name>
     <description>Send your log messages to your logz.io account in an encrypted, non-blocking manner.</description>