Loaded Zucchini Bake

4 medium zucchini, sliced
1 cup vegan shredded cheddar cheese
1 cup vegan shredded mozzarella cheese
1/2 cup vegan bacon bits (or use tempeh bacon)
1/4 cup diced red bell pepper 1/4 cup diced green bell pepper
1/4 cup diced red onion
2 cloves garlic, minced
1/2 cup dairy-free sour cream (such as cashew or almond-based)
1/4 cup vegan mayonnaise
1/4 cup nutritional yeast (for a cheesy flavor)
1 teaspoon dried basil
1/2 teaspoon dried oregano
Salt and pepper to taste