fix subworkflows linting: test passes if component.out.version is found in script

[mirpedrol]

PR checklist

• This comment contains a description of changes (with reason)
• CHANGELOG.md is updated
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated

[mashehu]

Don't forget to update the changelog 😉

[codecov]

Codecov Report

Merging #2448 (85b0b71) into dev (18fe023) will increase coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##              dev    #2448      +/-   ##
==========================================
+ Coverage   70.66%   70.67%   +0.01%     
==========================================
  Files          87       87              
  Lines        9431     9431              
==========================================
+ Hits         6664     6665       +1     
+ Misses       2767     2766       -1     

Files	Coverage Δ
nf_core/subworkflows/lint/main_nf.py	9.70% <0.00%> (ø)

... and 1 file with indirect coverage changes