Version 1.8 of RA files fails to process

[rivettp]

Firstly, our CURL command wasn't working: it was getting a zero length file. It turns out GLEIF now has now a redirect on the original filename. Which, having found the problem, just means we need to add a "-L " to the CURL command at our end

The filename no longer includes the publication date. At 1.7 it was 2022-03-23_ra_list_v1.7.csv but now it's registrationauthorities_v1.8.csv. While the date not essential it's the only means we had to obtain the publication date for fully annotating the RDF file produced. And the change in name produces a messy error in the console.