Merge pull request #1620 from Delphine-L/gfastats311

update gfastats to 1.3.11

Author: bgruening

tools/gfastats/macros.xml

@@ -1,5 +1,5 @@
 <macros>
-    <token name="@TOOL_VERSION@">1.3.10</token>
+    <token name="@TOOL_VERSION@">1.3.11</token>
     <token name="@SUFFIX_VERSION@">0</token>
     <xml name="requirements">
         <requirements>
@@ -13,15 +13,7 @@
     </xml>
     <xml name="citations">
         <citations>
-            <citation type="bibtex">
-                @misc{githubgfastats,
-                author = {Formenti, Giulio},
-                year = {2022},
-                title = {gfastats},
-                publisher = {GitHub},
-                journal = {GitHub repository},
-                url = {https://github.com/vgl-hub/gfastats}}
-            </citation>
+            <citation type="doi">10.1093/bioinformatics/btac460</citation>
         </citations>
     </xml>
     <xml name="length_macro">