Merge pull request #6374 from bebatut/humann_update

Updating tools/humann from version 3.8 to 3.9

Author: bgruening

tools/humann/humann_associate.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <macros>
-    <token name="@TOOL_VERSION@">3.8</token>
+    <token name="@TOOL_VERSION@">3.9</token>
     <token name="@VERSION_SUFFIX@">0</token>
     <token name="@PROFILE@">22.01</token>
     <xml name="edam_ontology">