Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/marp.yml

@@ -25,7 +25,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Copy images
         run: mkdir build && cp -R slides/img build/img && cp -R slides/themes build/themes
 

.github/workflows/terraform.yml

@@ -64,7 +64,7 @@ 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
@@ -150,7 +150,7 @@ 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/terrascan.yml

@@ -15,7 +15,7 @@ jobs:
     name: terrascan-action
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Run Terrascan
       id: terrascan
       uses: tenable/terrascan-action@main