I'm afraid that there is really no way we can identify what might be making those few little holes. There are LOTS of possibilities! I suggest that you head out there with a flashlight one evening and see if you can find a munching caterpillar, beetle, slug, weevil, earwig, etc.

I sure wouldn't worry about such a minor problem. Harsh pesticides shouldn't come into consideration, especially on edible plants.

Thank you very much for the input, I'll see if I can spot any pests in the evening!

Be certain to examine the undersides of the eaves as well as the tops.