Bump actions/checkout from 4.2.2 to 6.0.0 in /.github/workflows

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.2 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@11bd719...1af3b93)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/linting.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 #v6.0.0
 
       - name: check docs
         uses: Azure/terraform-azurerm-avm-template/.github/actions/docs-check@main
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 #v6.0.0
 
       - name: lint terraform
         uses: Azure/terraform-azurerm-avm-template/.github/actions/linting@main
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 #v6.0.0
 
       - name: avmfix
         uses: Azure/terraform-azurerm-avm-template/.github/actions/avmfix@main

.github/workflows/version-check.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.event.repository.name != 'terraform-azurerm-avm-template'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 #v6.0.0
       - name: Check version
         uses: Azure/terraform-azurerm-avm-template/.github/actions/version-check@main
         with: