Bump axios and @slack/web-api#1

dependabot[bot] wants to merge 1 commit intomasterstandardstruct/structbot:masterfrom

dependabot/npm_and_yarn/axios-and-slack/web-api-0.21.4standardstruct/structbot:dependabot/npm_and_yarn/axios-and-slack/web-api-0.21.4Copy head branch name to clipboard