Minor adjustment to request/response logging

Author: rbygrave

http-client/client/src/main/java/io/avaje/http/client/RequestLogger.java

@@ -59,7 +59,7 @@ private void headers(StringBuilder sb, String label, HttpHeaders headers) {
     if (!entries.isEmpty()) {
       sb.append(delimiter).append(label);
       for (Map.Entry<String, List<String>> entry : entries) {
-        sb.append(entry.getKey()).append("=").append(entry.getValue()).append("; ");
+        sb.append(entry.getKey()).append("=").append(entry.getValue()).append(", ");
       }
     }
   }