Bump node-fetch from 2.6.0 to 3.1.1 in /docs/covid-19#121

dependabot[bot] wants to merge 1 commit into

masterw3c-ccg/vc-examples:masterfrom

dependabot/npm_and_yarn/docs/covid-19/node-fetch-3.1.1w3c-ccg/vc-examples:dependabot/npm_and_yarn/docs/covid-19/node-fetch-3.1.1Copy head branch name to clipboard