nf-core subworkflows lint isn't comparing output channels between the main.nf and meta.yml

Description of the bug

For example, nf-core subworkflows lint bcl_demultiplex passes, even though the versions channel is listed in the meta.yml but doesn't exist in the main.nf

Command used and terminal output

nf-core subworkflows lint bcl_demultiplex

INFO     Linting subworkflow: 'bcl_demultiplex'                                                                                                                      

╭─ [!] 4 Subworkflow Test Warnings ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│                  ╷                                                              ╷                                                                                 │
│ Subworkflow name │ File path                                                    │ Test message                                                                    │
│╶─────────────────┼──────────────────────────────────────────────────────────────┼────────────────────────────────────────────────────────────────────────────────╴│
│ bcl_demultiplex  │ subworkflows/nf-core/bcl_demultiplex/main.nf                 │ main_nf_include_versions: Included component 'BCL2FASTQ' versions are not added │
│                  │                                                              │ in main.nf. Can be ignored if the module is using topic channels                │
│ bcl_demultiplex  │ subworkflows/nf-core/bcl_demultiplex/main.nf                 │ main_nf_include_versions: Included component 'BCLCONVERT' versions are not      │
│                  │                                                              │ added in main.nf. Can be ignored if the module is using topic channels          │
│ bcl_demultiplex  │ subworkflows/nf-core/bcl_demultiplex/main.nf                 │ main_nf_version_emitted: Subworkflow does not emit software version. Can be     │
│                  │                                                              │ ignored if the subworkflow is using topic channels                              │
│ bcl_demultiplex  │ subworkflows/nf-core/bcl_demultiplex/tests/main.nf.test.snap │ test_snap_versions: versions not found in snapshot file. Can be ignored if the  │
│                  │                                                              │ subworkflow is using topic channels                                             │
│                  ╵                                                              ╵                                                                                 │
╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
╭───────────────────────╮
│ LINT RESULTS SUMMARY  │
├───────────────────────┤
│ [✔]  25 Tests Passed  │
│ [!]   4 Test Warnings │
│ [✗]   0 Tests Failed  │
╰───────────────────────╯

Reproduce the issue with nf-core subworkflows lint bcl_demultiplex, then compare the versions channel in subworkflows/nf-core/bcl_demultiplex/main.nf with its declaration in meta.yml. Trace the subworkflow lint checks and add coverage for mismatched output channels; done means the example no longer passes silently and the relevant lint test reports the discrepancy.