bump(github-actions): 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] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
     outputs:
       matrix: "${{ steps.matrix.outputs.matrix }}"
     steps:
-      - uses: "actions/checkout@v5"
+      - uses: "actions/checkout@v6"
         with:
           fetch-depth: 0
       - uses: "dtolnay/rust-toolchain@stable"
@@ -79,7 +79,7 @@ jobs:
         run: |
           echo "$KUBE_NODE"
 
-      - uses: "actions/checkout@v5"
+      - uses: "actions/checkout@v6"
         with:
           fetch-depth: 0
 
@@ -312,7 +312,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -336,7 +336,7 @@ jobs:
       # Bump frr in the fabricator repository
 
       - name: Checkout fabricator repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: githedgehog/fabricator
           path: fab-repo

.github/workflows/bump.yml

@@ -32,7 +32,7 @@ jobs:
       - "lab"
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v5"
+        uses: "actions/checkout@v6"
         with:
           ref: "${{ env.dpdk_sys_branch }}"
       - uses: "dtolnay/rust-toolchain@stable"

.github/workflows/update-dp.yml

@@ -37,7 +37,7 @@ jobs:
           sudo apt-get install --yes --no-install-recommends gettext
 
       - name: "Checkout dataplane repository"
-        uses: "actions/checkout@v5"
+        uses: "actions/checkout@v6"
         with:
           repository: "githedgehog/dataplane"