(Test) commit submodules

[subhramit]

To test #12752

Mandatory checks

• I own the copyright of the code submitted and I licence it under the MIT license
• Change in CHANGELOG.md described in a way that is understandable for the average user (if change is visible to the user)
• Tests created for changes (if applicable)
• Manually tested changed features in running JabRef (always required)
• Screenshots added in PR description (if change is visible to the user)
• Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[subhramit]

@koppor false positive? https://github.com/JabRef/jabref/actions/runs/13887489384/job/38854160250?pr=12755

[koppor]

@koppor false positive? JabRef/jabref/actions/runs/13887489384/job/38854160250?pr=12755

I think, I mixed up again pull_request ( contributor branch with all changes, but not with full token rights) and pull_request_target (main branch with full token rights). Check is now done at pull_request - fa74258

[koppor]

Still not working. Need to check.

[subhramit]

@koppor it seems to me like we are triggering the error when NO submodule changes are detected (! in front)

[koppor]

@koppor it seems to me like we are triggering the error when NO submodule changes are detected (! in front)

The -vz in grep reverses the grep change

[subhramit]

Woohoo done

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