Update jwt to 1.5.4
Update jwt to 1.5.4

**Why**: jwt 1.5.3 was removed from rubygems

hackforla/ohana-web-search-la,codeforamerica/ohana-web-search,smcgov/SMC-Connect,smcgov/SMC-Connect,smcgov/SMC-Connect,codeforamerica/ohana-web-search,smcgov/SMC-Connect,hackforla/ohana-web-search-la,codeforamerica/ohana-web-search,hackforla/ohana-web-search-la,codeforamerica/ohana-web-search,hackforla/ohana-web-search-la