ci(deps): bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ☕ Setup JDK ${{ matrix.java-version }}
         uses: actions/setup-java@v4
@@ -73,7 +73,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ☕ Setup JDK
         uses: actions/setup-java@v4
@@ -104,7 +104,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 🔍 Security scan summary
         run: |

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
@@ -79,7 +79,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -111,7 +111,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -214,7 +214,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ☕ Setup JDK 21
         uses: actions/setup-java@v4
@@ -250,7 +250,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ☕ Setup JDK
         uses: actions/setup-java@v4

.github/workflows/version-check.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout PR
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0