technical merge of the 2.0.3 branch after the 2.0.3 release (#525)

* Prepare next development cycle for 2.0.4-SNAPSHOT

Co-authored-by: Eclipse Yasson Bot <[email protected]>

Author: senivam

pom.xml

@@ -25,7 +25,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.eclipse</groupId>
     <artifactId>yasson</artifactId>
-    <version>2.0.3-SNAPSHOT</version>
+    <version>2.0.4-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>org.eclipse.yasson</name>