Support new JWT token based auth from openEO API 1.3 #850
Description
openEO API 1.3 deprecates custom openEO bearer tokens and recommends vanilla JWT. See:
- Eliminate custom bearer token format openeo-api#558
- Migrate from openEO-specific tokens to JWT #558 openeo-api#567
No back-end switched yet (and probably won't soon), but client has to be prepared to be ready