Bump jszip and @microsoft/sp-build-web in /spfx-teams-meetings#60

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dependabot/npm_and_yarn/spfx-teams-meetings/jszip-and-microsoft/sp-build-web-3.7.1AJIXuMuK/demos:dependabot/npm_and_yarn/spfx-teams-meetings/jszip-and-microsoft/sp-build-web-3.7.1Copy head branch name to clipboard