[12.x] Update propagateRelationAutoloadCallbackToRelation method doc-block #55363 
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Description
Updated doc-block for
propagateRelationAutoloadCallbackToRelationmethod for$modelsparameter that had the$valuesname added in the PR #53655 to load eager loading automatically.PR reference: https://github.com/laravel/framework/pull/53655/files#diff-d2239d1224d9b8726250bca1c8906a2ec3af6fb6f0d43e92d798306903451d40R165