Bump actions/checkout from 2.3.4 to 2.4.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...v2.4.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🏗 Set up Node.js
         uses: actions/setup-node@v2.4.0
         with:
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: Hadolint
         uses: brpaz/hadolint-action@v1.5.0
         with:
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🚀 Run JSONLint
         run: |
           sudo apt install -y jsonlint
@@ -73,15 +73,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🚀 Run mdl
         uses: actionshub/markdownlint@2.0.2
   lint-markdown-links:
     name: 👕 Markdown Link Check
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🚀 Run Markdown Links
         uses: gaurav-nelson/github-action-markdown-link-check@1.0.13
         with:
@@ -99,7 +99,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
         with:
           ref: ${{ github.head_ref }}
       - name: 🚀 Run Prettier
@@ -113,7 +113,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: ✏ Setup
         run: |
           find . -type f -print0 | xargs -0 sed -i 's:#!/usr/bin/with-contenv bash:#!/bin/bash:g'
@@ -129,7 +129,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🚀 Run YAMLLint
         uses: ibiqlik/action-yamllint@v3.0.4
         with:
@@ -142,7 +142,7 @@ jobs:
           #   runs-on: ubuntu-latest
           #   steps:
           #     - name: ⤵️ Check out code from GitHub
-          #       uses: actions/checkout@v2.3.4
+          #       uses: actions/checkout@v2.4.0
           #     - name: 🏗 Set up Node.js
           #       uses: actions/setup-node@v2.4.0
           #       with:
@@ -176,7 +176,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🏗 Set up Node.js
         uses: actions/setup-node@v2.4.0
         with:
@@ -233,7 +233,7 @@ jobs:
           - i386
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: ⤵️ Backend - Download Artifacts
         uses: actions/download-artifact@v2
         with:

.github/workflows/codeql-analysis.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.4.0
         with:
           # We must fetch at least the immediate parents so that if this is
           # a pull request then we can checkout the head.

.github/workflows/deploy.yml

@@ -27,7 +27,7 @@ jobs:
       version: ${{ steps.release.outputs.version }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: ℹ️ Gather version and environment
         id: release
         run: |
@@ -60,7 +60,7 @@ jobs:
           - i386
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: ⤵️ Backend - Download Artifacts
         uses: dawidd6/action-download-artifact@v2.15.0
         with:
@@ -144,7 +144,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: ⤵️ Backend - Download Artifacts
         uses: dawidd6/action-download-artifact@v2.15.0
         with:

.github/workflows/docs.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.4.0
       - name: Setup Python 3.x
         uses: actions/setup-python@v2.2.2
         with:

.github/workflows/labels.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v2.4.0
       - name: 🚀 Run Label Syncer
         uses: micnncim/action-label-syncer@v1.3.0
         env: