fix redirects - champions series

[jules32]

https://openscapes.org should redirect to https://openscapes.github.io/series/

This might be a bigger issues than this one example

[stefaniebutland]

same for Pathways site #90
I tried to fix but didn't work.

[jules32]

Tagging @ateucher here since he may be more familiar with best practices, when you need a break from NASA/storage/cloud work :)

See NASA-Openscapes/earthdata-cloud-cookbook#324 (comment)