[bugfix] Specify the COVERALLS_TOKEN in the correct way for CI
[bugfix] Specify the COVERALLS_TOKEN in the correct way for CI

wolfgangmm/exist,windauer/exist,adamretter/exist,lcahlander/exist,windauer/exist,eXist-db/exist,adamretter/exist,lcahlander/exist,dizzzz/exist,wolfgangmm/exist,lcahlander/exist,lcahlander/exist,eXist-db/exist,eXist-db/exist,windauer/exist,dizzzz/exist,windauer/exist,lcahlander/exist,adamretter/exist,wolfgangmm/exist,dizzzz/exist,wolfgangmm/exist,eXist-db/exist,dizzzz/exist,dizzzz/exist,dizzzz/exist,lcahlander/exist,adamretter/exist,windauer/exist,adamretter/exist,eXist-db/exist,wolfgangmm/exist,adamretter/exist,windauer/exist,wolfgangmm/exist,eXist-db/exist