Fix AS2 route following API breaking change in Camel 4.11 related to
editContentType

see https://github.com/apache/camel/commit/5d964ff96680d58985250701352de1a384ab6806

it avoids some errors in console log but the test is still failing

Signed-off-by: Aurélien Pupier <apupier@redhat.com>
diff --git a/as2/src/main/resources/META-INF/spring/camel-context.xml b/as2/src/main/resources/META-INF/spring/camel-context.xml
index 122a3f0..e22ebee 100644
--- a/as2/src/main/resources/META-INF/spring/camel-context.xml
+++ b/as2/src/main/resources/META-INF/spring/camel-context.xml
@@ -70,7 +70,10 @@
               </constant>
           </transform>
            <setHeader name="CamelAs2.ediMessageContentType">
-             <simple resultType="org.apache.hc.core5.http.ContentType">application/edifact;charset=US-ASCII</simple>
+             <constant>application/edifact</constant>
+           </setHeader>
+           <setHeader name="CamelAs2.ediMessageCharset">
+             <constant>US-ASCII</constant>
            </setHeader>
 	       <setHeader name="CamelAs2.ediMessageTransferEncoding">
 	         <constant>7bit</constant>