chore: ci: Update to actions/checkout@v6

.github/workflows/build-overlay-deb.yml

@@ -28,7 +28,7 @@ jobs:
           DEBIAN_FRONTEND=noninteractive apt -y full-upgrade
 
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install sbuild and dependencies
         run: |

.github/workflows/debos.yml

@@ -63,7 +63,7 @@ jobs:
           apt -y upgrade
           apt -y full-upgrade
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/lava-schema-check.yml

@@ -13,7 +13,7 @@ jobs:
     container: lavasoftware/lava-server:2025.04
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Schema check

.github/workflows/lava-test.yml

@@ -25,7 +25,7 @@ jobs:
       jobmatrix: ${{ steps.listjobs.outputs.jobmatrix }}
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Print trigger
@@ -66,7 +66,7 @@ jobs:
       matrix: ${{ fromJson(needs.prepare-job-list.outputs.jobmatrix) }}
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/linux.yml

@@ -78,7 +78,7 @@ jobs:
       volumes:
         - /efs/qli/qcom-deb-images:/efs
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/static-checks.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install flake8
         run: sudo apt update && sudo apt -y install file flake8
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -41,7 +41,7 @@ jobs:
       - name: Install Pylint and dependencies
         run: sudo apt update && sudo apt -y install file pylint python3-voluptuous
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -57,7 +57,7 @@ jobs:
       - name: Install ShellCheck
         run: sudo apt update && sudo apt -y install shellcheck file
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/u-boot.yml

@@ -34,7 +34,7 @@ jobs:
       volumes:
         - /efs/qli/qcom-deb-images:/efs
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0