I learned about a new website tool by reading writeups for this challenge: https://stegonline.georgeom.net/upload. Upload the photo and click "Browse Bit Planes".
When you scroll over to "Blue 0" then you see text. Extract the Files/Data.
We want to extract the data for B(lue) 0.
We can now see the flag!
flag{0rc45_4r3nt_6lu3_s1lly_4895131}