Fix min/max logging default value

[carmocca]

What does this PR do?

Fixes the default value used in ResultMetric for min/max reductions.

Does your PR introduce any breaking changes? If yes, please list them.

None

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cc @Borda @carmocca @edward-io @ananthsub @rohitgr7 @kamil-kaczmarek @Raalsky @Blaizzy

[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[tchaton]

LGTM !