Update VCTC + MST photos in stories

[ohmegasquared]

Update agency photos with 1x + 2x:


alt text: A man in a wheelchair boarding a MST bus via a wheelchair lift. The bus is blue with a waving American flag decal across the top. The bus is making a stop at a wide sidewalk.

alt text: An accessible bus with doors open, showing a smiling bus driver inside. The bus is labeled "Glenn Ride" and parked in a sunlit lot with trees in the background.

Q: do you need separate assets for mobile or will you reuse these?