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)
- [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] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci-build.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3

.github/workflows/ci-codeql.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
         with:
           fetch-depth: 0
 

.github/workflows/ci-format.yml

@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v4.1.6
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: '21'

.github/workflows/ci-qodana.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Qodana Scan
         uses: JetBrains/qodana-action@99ec27a55aaaf5ba2fd7e5816e66231caed7a72a

.github/workflows/ci-semgrep.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
 
       - name: Install Semgrep
         run: |

.github/workflows/ci-test.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 21
         uses: actions/setup-java@v5