fix: release v6.3.5

Author: huksley

README.md

@@ -5,7 +5,7 @@ Based on the syslog4j library bundled with Graylog.
 This plugin allows you to forward messages from a Graylog server in syslog format. 
 Messages can be dispatched over TCP or UDP and formatted as plain text (classic), structured syslog (rfc 5424) or CEF (experimental).
 
-This plugin supports Graylog 4.x. 
+This plugin supports Graylog 6.3.5+
 Newer or older releases might work, please try to use the latest plugin.
 
 ## Graylog marketplace

pom.xml

@@ -17,12 +17,13 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.release>21</maven.compiler.release>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <maven.install.skip>true</maven.install.skip>
         <maven.deploy.skip>true</maven.deploy.skip>
         <maven.site.skip>true</maven.site.skip>
-        <graylog2.version>6.0.4</graylog2.version>
+        <graylog2.version>6.3.5</graylog2.version>
         <graylog2.syslog4j.version>0.9.61</graylog2.syslog4j.version>
         <guice.version>7.0.0</guice.version>
     </properties>
@@ -32,20 +33,20 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.9.9</version>
+            <version>2.20.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.9</version>
+            <version>2.20.0</version>
             <scope>test</scope>
         </dependency>
         <!-- com.codahale.metrics -->
         <dependency>
             <groupId>io.dropwizard.metrics</groupId>
             <artifactId>metrics-core</artifactId>
-            <version>4.1.0</version>
+            <version>4.2.37</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -57,7 +58,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -75,7 +76,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-jdk14</artifactId>
-            <version>1.7.21</version>
+            <version>2.0.17</version>
 			<scope>provided</scope>
         </dependency>
         <dependency>
@@ -97,6 +98,18 @@
             <version>3.2.1</version>
             <scope>provided</scope>
         </dependency>
+         <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.19.0</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-lang</groupId>
+            <artifactId>commons-lang</artifactId>
+            <version>2.6</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
     <build>
         <plugins>