Bump actions/checkout from 2.3.5 to 2.4.0 (#200)

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](https://github.com/actions/checkout/compare/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/build.yml

@@ -35,7 +35,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       # Validate wrapper
       - name: Gradle Wrapper Validation
@@ -140,7 +140,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       # Remove old release drafts by using the curl request for the available releases with draft flag
       - name: Remove Old Release Drafts

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
         with:
           ref: ${{ github.event.release.tag_name }}
 

.github/workflows/run-ui-tests.yml

@@ -33,7 +33,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       # Setup Java 11 environment for the next steps
       - name: Setup Java

.github/workflows/template-cleanup.yml

@@ -19,7 +19,7 @@ jobs:
 
       # Check out current repository
       - name: Fetch Sources
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
 
       # Cleanup project
       - name: Cleanup