Bump actions/checkout from 2 to 4 in /.github/workflows

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

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

.github/workflows/dependencies.yml

@@ -11,7 +11,7 @@ jobs:
         php-versions: [ '8.0', '8.1' ]
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       - name: "Setup PHP, with composer and extensions"
         uses: "shivammathur/setup-php@v2"
         with:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: "Setup PHP, with composer and extensions"
         uses: "shivammathur/setup-php@v2" # https://github.com/shivammathur/setup-php
         with:

.github/workflows/validate.yml

@@ -11,7 +11,7 @@ jobs:
         php-versions: [ '8.0', '8.1' ]
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       - name: "Setup PHP, with composer and extensions"
         uses: "shivammathur/setup-php@v2" # https://github.com/shivammathur/setup-php
         with: