build(deps): bump actions/checkout from 5 to 6 (#29)

Author: github-actions[bot]

.github/workflows/deploy_docker_hub.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out codebase
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set environment variables
         run: |

.github/workflows/test_systemd.yml

@@ -21,7 +21,7 @@ jobs:
     continue-on-error: ${{ inputs.continue-on-error }}
     steps:
       - name: Check out codebase
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set environment variables
         run: |

.github/workflows/update_base_digest.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out codebase
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Pull the latest image digest
         id: base_digest