Get orchestrations runs

Set x-storage-location header to fetch orchestration file(s):

1. a comma separated list:
   'src/Orchestrations/alpha/,src/Orchestrations/beta/'

2. string:
   'src/Orchestrations/alpha/*'

3. string, encode url if it's needed (urlencode):
   'src%2FOrchestrations%2Fmy%2C%20folder%2F%2A,src%2FOrchestrations%2Fmy%2C%20folder2%2F%2A'

(Internal reference)