correct versions hicplotmatrix

modules/local/hicexplorer/hicPlotMatrix.nf

@@ -13,6 +13,7 @@ process HIC_PLOT_MATRIX {
 
     output:
     tuple val(meta), path("*.pdf"), emit: pdf
+    path("versions.yml"), emit:versions
 
     script:
     def args = task.ext.args ?: ''