chore(deps): update actions/checkout action to v4

.github/workflows/commitlint.yml

@@ -7,7 +7,7 @@ jobs:
   commitlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: wagoid/commitlint-github-action@v4

.github/workflows/management-cluster-terraform-apply-on-hcloud.yaml

@@ -39,7 +39,7 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
       - name: Setup Terraform

.github/workflows/management-cluster-terraform-destroy-on-hcloud.yaml

@@ -37,7 +37,7 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
       - name: Setup Terraform

.github/workflows/management-cluster-terraform-plan-on-hcloud.yaml

@@ -39,7 +39,7 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
       - name: Setup Terraform

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Release