Update LatexCitationsTab.java

[ilippert]

should contribute to fixing https://github.com/JabRef/jabref-issue-melting-pot/issues/495

sorry, I did not read the guidance to code contributions - I hope this is helpful.

https://github.com/JabRef/jabref-issue-melting-pot/issues/495 provides the Screenshot to the string that I try to change with this patch.

Mandatory checks

• Change in CHANGELOG.md described in a way that is understandable for the average user (if applicable)
• Tests created for changes (if applicable)
• Manually tested changed features in running JabRef (always required)
• Screenshots added in PR description (for UI changes)
• 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.

[calixtus]

Looks good to me, tests are green too.

[LoayGhreeb]

The issue was already fixed in #11602, but it's okay to update the constant value for consistency.