chore(deps): update dependency lodash to v4.17.21 [security]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
lodash (source)	`4.17.20` -> `4.17.21`

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

GitHub Vulnerability Alerts

CVE-2021-23337

lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.

CVE-2020-28500

All versions of package lodash prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions.

Steps to reproduce (provided by reporter Liyuan Chen):

var lo = require('lodash');

function build_blank(n) {
    var ret = "1"
    for (var i = 0; i < n; i++) {
        ret += " "
    }
    return ret + "1";
}
var s = build_blank(50000) var time0 = Date.now();
lo.trim(s) 
var time_cost0 = Date.now() - time0;
console.log("time_cost0: " + time_cost0);
var time1 = Date.now();
lo.toNumber(s) var time_cost1 = Date.now() - time1;
console.log("time_cost1: " + time_cost1);
var time2 = Date.now();
lo.trimEnd(s);
var time_cost2 = Date.now() - time2;
console.log("time_cost2: " + time_cost2);

Release Notes

lodash/lodash (lodash)

### [`v4.17.21`](https://togithub.com/lodash/lodash/compare/4.17.20...4.17.21) [Compare Source](https://togithub.com/lodash/lodash/compare/4.17.20...4.17.21)

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sourcegraph / sourcegraph-git-extras