Update dependency serialize-javascript to 3.1.0 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change
serialize-javascript	2.1.2 -> 3.1.0

GitHub Vulnerability Alerts

CVE-2020-7660

serialize-javascript prior to 3.1.0 allows remote attackers to inject arbitrary code via the function "deleteFunctions" within "index.js".

An object such as {"foo": /1"/, "bar": "a\"@&#8203;__R-<UID>-0__@&#8203;"} was serialized as {"foo": /1"/, "bar": "a\/1"/}, which allows an attacker to escape the bar key. This requires the attacker to control the values of both foo and bar and guess the value of <UID>. The UID has a keyspace of approximately 4 billion making it a realistic network attack.

The following proof-of-concept calls console.log() when the running eval():
eval('('+ serialize({"foo": /1" + console.log(1)/i, "bar": '"@&#8203;__R-<UID>-0__@&#8203;'}) + ')');

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