Migrate ngmaster versions to topic channel

[xHaMMaDy]

Summary

• migrate NGMASTER version reporting from versions.yml to the versions topic
• document the version tuple in meta.yml
• update nf-test snapshots
• handle ngmaster warnings consistently across execution profiles

Closes #12322

Tests

• Docker
• Singularity
• Conda
• Nextflow lint

[Copilot]

Pull request overview

This PR updates the ngmaster nf-core module to publish tool version information via the versions topic (as a version tuple) instead of writing a versions.yml file, and aligns the module metadata and nf-test snapshots with that change.

Changes:

• Replace versions.yml generation with a versions_ngmaster tuple output published to the versions topic.
• Document the version tuple structure in meta.yml (both as a module output and under the versions topic).
• Update nf-test snapshots to reflect the new versions reporting format.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
modules/nf-core/ngmaster/main.nf	Removes versions.yml creation and emits a versions_ngmaster tuple to the versions topic.
modules/nf-core/ngmaster/meta.yml	Documents the new versions_ngmaster tuple output and the versions topic payload shape.
modules/nf-core/ngmaster/tests/main.nf.test.snap	Updates snapshots to match the new tuple-based versions reporting and updated test/runtime metadata.

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[mashehu]

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