Update version to 2023.9

Author: ymengesha

README.adoc

@@ -54,7 +54,7 @@ The ideal place for questions or discussions about the HiveMQ Community Edition
 
 === Quick Start
 
-* Download the latest https://github.com/hivemq/hivemq-community-edition/releases/download/2023.8/hivemq-ce-2023.8.zip[HiveMQ CE binary package].
+* Download the latest https://github.com/hivemq/hivemq-community-edition/releases/download/2023.9/hivemq-ce-2023.9.zip[HiveMQ CE binary package].
 * Unzip the package.
 * Run the run.sh (Linux/OSX) or run.bat (Windows) in the bin folder of the package.
 
@@ -140,7 +140,7 @@ If you use Gradle, include the following code in your `build.gradle(.kts)` file.
 ----
 
 dependencies {
-    implementation("com.hivemq:hivemq-community-edition-embedded:2023.8")
+    implementation("com.hivemq:hivemq-community-edition-embedded:2023.9")
 }
 ----
 
@@ -156,7 +156,7 @@ If you use Maven, include the following code in your `pom.xml` file.
         <dependency>
             <groupId>com.hivemq</groupId>
             <artifactId>hivemq-community-edition-embedded</artifactId>
-            <version>2023.8</version>
+            <version>2023.9</version>
         </dependency>
     </dependencies>
     ...

gradle.properties

@@ -1,4 +1,4 @@
-version=2023.8
+version=2023.9
 #
 # tools
 #

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ equalsVerifier = "3.14.2"
 findsecbugs = "1.12.0"
 guava = "32.0.1-jre"
 guice = "5.1.0"
-hivemq-extensionSdk = "4.21.0"
+hivemq-extensionSdk = "4.22.0"
 jackson = "2.15.2"
 javassist = "3.29.2-GA"
 javax-annotation-api = "1.3.2"