chore(deps): bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/links-watcher-cron.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout source code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Link Checker
         id: lychee
         uses: lycheeverse/[email protected]

.github/workflows/spellcheck.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Check Spelling
         id: spellcheck
         uses: rojopolis/[email protected]

.github/workflows/terraform_format_check.yml

@@ -15,7 +15,7 @@ jobs:
       runs-on: ubuntu-latest
       steps:
         - name: Checkout code
-          uses: actions/checkout@v4
+          uses: actions/checkout@v5
 
         - name: Setup Terraform
           uses: hashicorp/setup-terraform@v3

.github/workflows/terraform_validate.yml

@@ -15,7 +15,7 @@ jobs:
       runs-on: ubuntu-latest
       steps:
         - name: Checkout code
-          uses: actions/checkout@v4
+          uses: actions/checkout@v5
 
         - name: Setup Terraform
           uses: hashicorp/setup-terraform@v3