Fixes the following security issues:
* 4.6.2: A vulnerability (CVE-2020-27783) was discovered in the HTML Cleaner
by Yaniv Nizry, which allowed JavaScript to pass through. The cleaner now
removes more sneaky "style" content.
* 4.6.1: A vulnerability was discovered in the HTML Cleaner by Yaniv Nizry,
which allowed JavaScript to pass through. The cleaner now removes more
sneaky "style" content.
For more details, see the changes file:
https://github.com/lxml/lxml/blob/lxml-4.6.2/CHANGES.txt
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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