update packages to latest version

node_modules/npm/doc/cli/npm-repo.md

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+npm-repo(1) -- Open package repository page in the browser
+========================================================
+
+## SYNOPSIS
+
+    npm repo <pkgname>
+    npm repo (with no args in a package dir)
+
+## DESCRIPTION
+
+This command tries to guess at the likely location of a package's
+repository URL, and then tries to open it using the `--browser`
+config param. If no package name is provided, it will search for
+a `package.json` in the current folder and use the `name` property.
+
+## CONFIGURATION
+
+### browser
+
+* Default: OS X: `"open"`, Windows: `"start"`, Others: `"xdg-open"`
+* Type: String
+
+The browser that is called by the `npm repo` command to open websites.
+
+## SEE ALSO
+
+* npm-docs(1)
+* npm-config(1)