Fix version in nextflow.config

Author: pinin4fjords

nextflow.config

@@ -413,7 +413,7 @@ manifest {
     mainScript      = 'main.nf'
     defaultBranch   = 'master'
     nextflowVersion = '!>=24.10.5'
-    version         = '3.19.1'
+    version         = '3.20.0'
     doi             = 'https://doi.org/10.5281/zenodo.1400710'
 }