update packages to latest version

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

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+npm-help(1) -- Get help on npm
+==============================
+
+## SYNOPSIS
+
+    npm help <topic>
+    npm help some search terms
+
+## DESCRIPTION
+
+If supplied a topic, then show the appropriate documentation page.
+
+If the topic does not exist, or if multiple terms are provided, then run
+the `help-search` command to find a match.  Note that, if `help-search`
+finds a single subject, then it will run `help` on that topic, so unique
+matches are equivalent to specifying a topic name.
+
+## CONFIGURATION
+
+### viewer
+
+* Default: "man" on Posix, "browser" on Windows
+* Type: path
+
+The program to use to view help content.
+
+Set to `"browser"` to view html help content in the default web browser.
+
+## SEE ALSO
+
+* npm(1)
+* README
+* npm-faq(7)
+* npm-folders(5)
+* npm-config(1)
+* npm-config(7)
+* npmrc(5)
+* package.json(5)
+* npm-help-search(1)
+* npm-index(7)