fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-12485149
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-12485150

Author: snyk-bot

pom.xml

@@ -157,7 +157,7 @@
         <dependency>
             <groupId>org.asynchttpclient</groupId>
             <artifactId>async-http-client</artifactId>
-            <version>2.6.0</version>
+            <version>3.0.3</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>