zink: quash 2 more leaks
Saw these 2 leaks when running these cts cases together:
KHR-GL46.gpu_shader5.images_array_indexing
KHR-GL46.shader_image_load_store.advanced-allMips
KHR-GL46.shader_image_load_store.advanced-sso-simple
KHR-GL46.shader_image_load_store.incomplete_textures