Update dependency sockjs to 0.3.20 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change
sockjs	0.3.19 -> 0.3.20

GitHub Vulnerability Alerts

CVE-2020-7693

Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.

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Configuration

📅 Schedule: "" (UTC).

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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This PR has been generated by WhiteSource Renovate. View repository job log here.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻️ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you check the rebase/retry checkbox if found above, or
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The artifact failure details are included below:

File name: client/package-lock.json

npm WARN deprecated babel-eslint@10.1.0: babel-eslint is now @babel/eslint-parser. This package will no longer receive updates.
npm WARN deprecated eslint-loader@3.0.3: This loader has been deprecated. Please use eslint-webpack-plugin
npm WARN deprecated fsevents@2.1.2: "Please update to latest v2.3 or v2.2"
npm WARN deprecated html-webpack-plugin@4.0.0-beta.11: please switch to a stable version
npm ERR! code EBADPLATFORM
npm ERR! notsup Unsupported platform for fsevents@2.1.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm ERR! notsup Valid OS:    darwin
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   linux
npm ERR! notsup Actual Arch: x64

npm ERR! A complete log of this run can be found in:
npm ERR!     /tmp/renovate-cache/others/npm/_logs/2021-04-26T15_05_41_618Z-debug.log