Fix linting errors in core-hello-part5 solution

Remove trailing whitespace from cowpy module files to pass
editorconfig checks.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: pinin4fjords

hello-nf-core/solutions/core-hello-part5/modules/local/cowpy/main.nf

@@ -21,9 +21,9 @@ process COWPY {
     script:
     def args = task.ext.args ?: ''
     def prefix = task.ext.prefix ?: "${meta.id}"
-    
+
     """
-    
+
 
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":
@@ -34,10 +34,10 @@ process COWPY {
     stub:
     def args = task.ext.args ?: ''
     def prefix = task.ext.prefix ?: "${meta.id}"
-    
+
     """
     echo $args
-    
+
 
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":

hello-nf-core/solutions/core-hello-part5/modules/local/cowpy/tests/main.nf.test

@@ -22,7 +22,7 @@ nextflow_process {
             process {
                 """
                 // TODO nf-core: define inputs of the process here. Example:
-                
+
                 input[0] = [
                     [ id:'test' ],
                     file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/bam/test.paired_end.sorted.bam', checkIfExists: true),
@@ -54,7 +54,7 @@ nextflow_process {
             process {
                 """
                 // TODO nf-core: define inputs of the process here. Example:
-                
+
                 input[0] = [
                     [ id:'test' ],
                     file(params.modules_testdata_base_path + 'genomics/sarscov2/illumina/bam/test.paired_end.sorted.bam', checkIfExists: true),