Bump jQuery from 1.9.1 to 3.4.0 in /CopyToMarkdownAddIn/CopyToMarkdownAddInWeb#15

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dependabot/nuget/CopyToMarkdownAddIn/CopyToMarkdownAddInWeb/jQuery-3.4.0nuitsjp/CopyToMarkdownAddIn:dependabot/nuget/CopyToMarkdownAddIn/CopyToMarkdownAddInWeb/jQuery-3.4.0Copy head branch name to clipboard