github-actions(deps): 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/integrate.yaml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Lint YAML files"
         uses: "ibiqlik/action-yamllint@v3"
@@ -94,7 +94,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Install PHP with extensions"
         uses: "shivammathur/setup-php@2.14.0"
@@ -136,7 +136,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Install PHP with extensions"
         uses: "shivammathur/setup-php@2.14.0"
@@ -206,7 +206,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Install PHP with extensions"
         uses: "shivammathur/setup-php@2.14.0"
@@ -257,7 +257,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Install PHP with extensions"
         uses: "shivammathur/setup-php@2.14.0"
@@ -307,7 +307,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
 
       - name: "Install PHP with extensions"
         uses: "shivammathur/setup-php@2.14.0"

.github/workflows/renew.yaml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2.3.4"
+        uses: "actions/checkout@v2.4.0"
         with:
           token: "${{ secrets.ERGEBNIS_BOT_TOKEN }}"