Fix "Markdups process marks aligner output as markdups output incorrectly"

[mvanniekerkHartwig]

Fixes issue #104 , by narrowing the wildcards for the markdups outputs to only include the actual output files from markdups.

[github-actions]

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Hi @mvanniekerkHartwig,

It looks like this pull-request is has been made against the mvanniekerkHartwig/oncoanalyser master branch.
The master branch on nf-core repositories should always contain code from the latest release.
Because of this, PRs to master are only allowed if they come from the mvanniekerkHartwig/oncoanalyser dev branch.

You do not need to close this PR, you can change the target branch to dev by clicking the "Edit" button at the top of this page.
Note that even after this, the test will continue to show as failing until you push a new commit.

Thanks again for your contribution!