Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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/build.yml

@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Populate cache
         uses: ./.github/actions/populate-cache
@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17
         uses: actions/setup-java@v5
@@ -136,7 +136,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: OWASP Scan
         uses: ./.github/actions/owasp
@@ -152,7 +152,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Integration Test
         uses: ./.github/actions/integration-test

.github/workflows/nightly-cve-scan.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Populate cache
         uses: ./.github/actions/populate-cache
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - uses: ./.github/actions/owasp
         with: