Bump actions/checkout from 2 to 4

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](https://github.com/actions/checkout/compare/v2...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>

.github/workflows/update.yml

@@ -92,7 +92,7 @@ jobs:
           delete_workflow_pattern: "Check update"
           
       - name: Checkout Again! 🔄
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4
       
     outputs:
       SHOULD_BUILD: ${{ env.SHOULD_BUILD }}
@@ -113,12 +113,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🔄
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -176,12 +176,12 @@ jobs:
     if: needs.check.outputs.SHOULD_BUILD == 'yes'
     steps:
       - name: Checkout 🔄
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -244,7 +244,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🔄
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4
 
       - name: Prepare release tag 🏷️
         id: releasetag