Get 404 not found when using Upgrade Helper

[tonsnoei]

Go to: https://react-native-community.github.io/upgrade-helper/?from=0.63.4&to=0.66.2
Press: View File
Result: 404 not found

[pvinis]

seems like the issue is fixed in https://github.com/ecomfe/gitdiff-parser/pull/25/files, which is a dep of a dep.

you can find the right file by changing the url from ../DiffApp/.. to ../RnDiffApp/...