build(deps): Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...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>

Author: dependabot[bot]

.github/workflows/docs-deploy.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
 
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}

.github/workflows/prepare-release.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.ref == 'refs/heads/main' && contains(fromJson('["major","minor"]'), github.event.inputs.versionIncrement)
     steps:   
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}

.github/workflows/release-preview.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
 
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
 
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: ${{ secrets.BUNIT_BOT_TOKEN }}

.github/workflows/verification.yml

@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: 🛒 Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0