Fixes missing version increment for contributing guide probe

[alecharp]

Description

Follow up of #494.
Because the version was not updated, the probe was not executed on plugins with low activities created invalid scoring.

Testing done

N/A.
The version of the probes are not tested. Probably something that should be addressed.

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1. If an issue exists, it is well described and linked in the description
2. The description of this pull request is detailed and explain why this pull request is needed
3. The changeset is on a specific branch. Using feature/ for new feature, or improvements ; Using fix/ for bug fixes ; Using docs/ for any documentation changes.
4. If required, the documentation has been updated
5. There is automated tests to cover the code change / addition or an explanation why there is no tests in the description.