[no-relnote] Override publishing path

[elezar]

The project or group CI variables have a higher precedence than variables at a job level. This means that the dummy publishing job also publishes a "real" MR.

This change ensures that we explicitly override the global value.

[coveralls]

Pull Request Test Coverage Report for Build 16616736821

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 35.391%

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Totals
Change from base Build 16498570599:	0.0%
Covered Lines:	4511
Relevant Lines:	12746

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💛 - Coveralls