checkout@v5 should be the same as checkout@v4, just running on Node 24. checkout@v6 has got a few other minor changes that shouldn't make any difference; opt in to newer behaviours now.
checkout@v5 should be the same as checkout@v4, just running on Node 24. checkout@v6 has got a few other minor changes that shouldn't make any difference; opt in to newer behaviours now.