Migrate plink/indeppairwise module to topic channels

[martings]

Migrate the plink/indeppairwise module to use topic channels for version outputs.

Sub-issue of #10439

Changes needed

• Update modules/nf-core/plink/indeppairwise/main.nf: replace path "versions.yml", emit: versions with tuple val("${task.process}"), val('plink'), eval("plink --version 2>&1 | sed 's/^PLINK v//;s/ 64.*//'"), emit: versions_plink, topic: versions and remove the cat <<-END_VERSIONS block from script and stub sections
• Update modules/nf-core/plink/indeppairwise/meta.yml: update the versions output section and add a topics: section
• Update test snapshots: run nf-core modules test --update --once plink/indeppairwise

Follow the migration guide: https://nf-co.re/docs/tutorials/migrate_to_topics/update_modules