Bump actions/checkout from 2.3.5 to 2.4.0 (#4796)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 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@v2.3.5...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>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/codeql-analysis.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1

.github/workflows/coverage.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 1
 

.github/workflows/integration-tests.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 1
 

.github/workflows/linting.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 1
 

.github/workflows/unit-tests.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           fetch-depth: 1