[Security] Bump loopback from 3.20.0 to 3.24.2

[dependabot-preview[bot]]

Bumps loopback from 3.20.0 to 3.24.2. This update includes security fixes.

Vulnerabilities fixed

*Sourced from [The npm Advisory Database](https://npmjs.com/advisories/771).* > **Improper Authorization** > Vulnerable versions of `loopback` may allow attackers to create Authentication Tokens on behalf of other users due to Improper Authorization. If the AccessToken model is publicly exposed, an attacker can create Authorization Tokens for any user as long as they know the target's `userId`. This will allow the attacker to access the user's data and their privileges. > > Affected versions: <=2.39.2; >=3.0.0 <=3.21.0

Changelog

*Sourced from [loopback's changelog](https://github.com/strongloop/loopback/blob/master/CHANGES.md).* > 2019-01-11, Version 3.24.2 > ========================== > > * Fix crash when modifying an unknown user (Matheus Horstmann) > > > 2019-01-08, Version 3.24.1 > ========================== > > * Update underscore.string to 3.3.5 (Francois) > > * Fix: treat empty access token string as undefined (andrey-abramow) > > > 2018-11-15, Version 3.24.0 > ========================== > > * Set juggler options for remote calls (Raymond Feng) > > * Speed up ACL tests by reducing saltWorkFactor (Miroslav Bajtoš) > > > 2018-10-25, Version 3.23.2 > ========================== > > * Fix ACL check to support model wildcard (Moshe Malka) > > > 2018-10-18, Version 3.23.1 > ========================== > > * README: highlight Active LTS at the top (Miroslav Bajtoš) > > > 2018-10-09, Version 3.23.0 > ========================== > > * Clear handler cache when a method is added/removed (Mohammed Essehemy) > > * Add `options.preserveAccessTokens` (lchaglla) > > * Update LB3 to be active LTS (Diana Lau) > > * Fix ACL tests to wait until all assertions finish (Moshe Malka) > > * chore: update to latest linting rules (virkt25) > > > 2018-09-12, Version 3.22.3 > ========================== > ... (truncated)

Commits

- [`b77907f`](https://github.com/strongloop/loopback/commit/b77907ffa59c7031fcb3bb6dbff96894bc597ba4) 3.24.2 - [`242c20f`](https://github.com/strongloop/loopback/commit/242c20fecfff95d0cf758eced22662a4c8ade8b9) Merge pull request [#4108](https://github-redirect.dependabot.com/strongloop/loopback/issues/4108) from horstmannmat/fix_4105 - [`2532b0b`](https://github.com/strongloop/loopback/commit/2532b0b67e9f809d0268604f48097d0c6bc31ac9) Fix crash when modifying an unknown user - [`0bb8c23`](https://github.com/strongloop/loopback/commit/0bb8c23e2d6740ced342a41cdb82402629e2a60c) 3.24.1 - [`6eb8c0e`](https://github.com/strongloop/loopback/commit/6eb8c0ed3a4c776f11847f1b3e0130703104bc42) Merge pull request [#4107](https://github-redirect.dependabot.com/strongloop/loopback/issues/4107) from 3z3qu13l/master - [`6b74874`](https://github.com/strongloop/loopback/commit/6b748748bdf8d77330212e11d770bc1d22f79e20) Update underscore.string to 3.3.5 - [`da2b8d8`](https://github.com/strongloop/loopback/commit/da2b8d8676dbac039b3e009fc4966cb341cd4ec6) Merge pull request [#4083](https://github-redirect.dependabot.com/strongloop/loopback/issues/4083) from andrey-abramow/master - [`71c6511`](https://github.com/strongloop/loopback/commit/71c651123f06ff61f9861a41e4cdb33ba3493b7f) Fix: treat empty access token string as undefined - [`aad97c2`](https://github.com/strongloop/loopback/commit/aad97c20360de236af6afcb4e364f42d071664b0) Merge pull request [#4065](https://github-redirect.dependabot.com/strongloop/loopback/issues/4065) from strongloop/set-default-remote-options - [`81d1f74`](https://github.com/strongloop/loopback/commit/81d1f7406fbe59acb87356b1fa3b24f819d6e6bc) 3.24.0 - Additional commits viewable in [compare view](https://github.com/strongloop/loopback/compare/v3.20.0...v3.24.2)

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Superseded by #133.