Flag legacy versions.yml topic outputs

[edmundmiller]

Stack child of #4378.

Adds the warning for inline legacy versions.yml topic output patterns in module main.nf linting.

Stack

1. Bump tree-sitter-nextflow parser pin #4378
2. Add AST-grep lint foundations #4377
3. Migrate pipeline lint rules to AST-grep #4381
4. Flag legacy versions.yml topic outputs #4379 👈 current
5. Flag legacy versions emits #4380

[codecov]

Codecov Report

❌ Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 78.17%. Comparing base (1a08623) to head (0d8a211).

Files with missing lines	Patch %	Lines
nf_core/modules/lint/main_nf.py	92.30%	1 Missing ⚠️

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