Update prometheus-client to 0.18.0#768

pyup-bot wants to merge 1 commit intomasterscieloorg/opac_proc:masterfrom

pyup-update-prometheus-client-0.5.0-to-0.18.0scieloorg/opac_proc:pyup-update-prometheus-client-0.5.0-to-0.18.0Copy head branch name to clipboard