don't make all sizes if the original image is smaller

generate_responsive_images.sh

src/assets/images/original_images/alphanumeric.png

...ets/images/original_images/avg_household_size_2022_en.png

...ets/images/original_images/avg_household_size_2022_es.png

src/assets/images/original_images/hero_no-faces_5.png

...sets/images/original_images/med_income_census_2022_en.png

...sets/images/original_images/med_income_census_2022_es.png

src/assets/images/original_images/median_rent_2022_en.png

src/assets/images/original_images/median_rent_2022_es.png

...s/images/original_images/perc_disabled_census_2022_en.png

...s/images/original_images/perc_disabled_census_2022_es.png

...s/images/original_images/perc_hispanic_census_2022_en.png

...s/images/original_images/perc_hispanic_census_2022_es.png

...images/original_images/security-insecurity-transition.png

...s/images/original_images/security-insecurity_intro_v2.png

...responsive_images/security-insecurity-transition-1280.jpg

...esponsive_images/security-insecurity-transition-1280.webp

...responsive_images/security-insecurity-transition-1920.jpg

...esponsive_images/security-insecurity-transition-1920.webp

.../responsive_images/security-insecurity-transition-320.jpg