Bump actions/checkout from 6.0.3 to 7.0.0 (#44)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.3 to 7.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6.0.3...v7.0.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/gitguardian.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'  # Skip for Dependabot
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
         with:
           fetch-depth: 0  # fetch all history so multiple commits can be scanned
       - name: GitGuardian scan

.github/workflows/linters.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       - name: Install ShellCheck
         run: sudo apt-get update && sudo apt-get install -y shellcheck
@@ -54,7 +54,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       - name: Install EditorConfig Checker
         run: |
@@ -76,7 +76,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       - name: Install yamllint
         run: pip install yamllint
@@ -91,7 +91,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       - name: CodeSpell Check
         uses: codespell-project/actions-codespell@v2
@@ -105,7 +105,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       - name: Install check-jsonschema
         run: pip install check-jsonschema