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

.github/workflows/container_latest.yml

@@ -26,7 +26,7 @@ jobs:
             qemu: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Free Disk Space
         run: |
           echo "Available disk space before cleanup:"
@@ -113,7 +113,7 @@ jobs:
     if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v5

.github/workflows/container_release1.yml

@@ -29,7 +29,7 @@ jobs:
             qemu: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Free Disk Space
         run: |
           echo "Available disk space before cleanup:"
@@ -102,7 +102,7 @@ jobs:
     if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v5

.github/workflows/container_release2.yml

@@ -29,7 +29,7 @@ jobs:
             qemu: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Free Disk Space
         run: |
           echo "Available disk space before cleanup:"
@@ -103,7 +103,7 @@ jobs:
     if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v5

.github/workflows/container_release3.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Free Disk Space
         run: |

.github/workflows/container_release4.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Free Disk Space
         run: |

.github/workflows/container_release5.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Free Disk Space
         run: |

.github/workflows/container_release_unified.yml

@@ -59,7 +59,7 @@ jobs:
             
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         
       - name: Free Disk Space
         run: |